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Volume XXXII, Number 2, 2025

Tony Dib 1026-261X EDITORIAL

Alfred Naaman, Nada Naaman, Khalil Aleisa, Jihad Fakhoury, Dona Raad, Antoine Saadé, Lina Chamseddine, Tarek Kotob, Mohammed Rifai, Bilal Koleilat, Mohammad H. Al-Jammaz

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Beliy and Kira Y. Zaslavskaya

Mesiodens: Diagnosis & Management

Accuracy of Intraoral Photogrammetry in Complete Arch Digital Implant Scanning:

ABSTRACT

An in vivo prospective comparative study

Abdelrahman K. Eldabe, BDS, MSc, PhD,a Doaa Adel-Khattab, BDS, MSc, PhD,b and Kirollos H. Botros, BDSc

When registering intraoral features and implant position, an intraoral scanner (IOS) is a popular substitute for traditional impression materials, increasing patient comfort, accuracy, and predictability1 The traditional splinted impression technique has been reported to provide an accurate definitive cast,2–5 but, for the precise and distortion free capture of the implant positions, a stiff and dimensionally stable splinting material is essential. 6,7

Qasem Obiedat, BDS

Maxillo-Facial

Surgeon; Jordanian Ministry of Health

Amman, Jordan asemobeidatsurg@gmail.com

The mesiodens is an extra tooth that is situated in the middle of the two central incisors. It is the most prevalent supernumerary teeth. Whereas genetic factors and dental lamina proliferation have been linked to mesiodens, its exact etiology is still unknown. Often, it causes cyst development, misaligned teeth, food entrapment, poor aesthetics, and other oral health problems. Therefore, to avoid these pathologic and orthodontic issues, early diagnosis and treatment are advised. This essay examines recent research on the causes, prevalence, diagnoses, and treatments of this concern.

KEYWORDS

A high degree of trueness, generally within a range of ≤50 µm, has been reported with IOSs when used to capture single implant and short span implant-supported prostheses.8,9 Scanning for complete arch implant-supported prostheses is more challenging because of the lack of fixed landmarks, and unacceptable passivity has been reported, particularly in mandibular prostheses.8–12 A discrepancy of <150 µm has been recognized as the clinically acceptable level of misfit for complete arch implant-supported prostheses.13–15 Photogrammetry has been used, without stitching, to scan implant coordinates while omitting the dental and gingival anatomy.16 The exclusion of unstable mucosa during scanning and the avoidance of stitching make the passive seating of implant prostheses a more predictable procedure.17–19 Although a promising technique, clinical studies of photogrammetry are scarce.10,20

ABSTRACT

As well as, understanding the various removal techniques and their effects on the patient’s dentition.

LITERATURE REVIEW

1. Mesiodentes compose of 3 or more mesiodens (supernumerary teeth) and are uncommon compared to mesiodens (single supernumerary tooth) found in the midline of the maxilla. Typically, mesiodentes are asymptomatic, impacted and have a cone-like crown and one root.1

Statement of problem. Intraoral scanning of complete arch implant-supported prosthesis is still not predictable in all scenarios. Photogrammetry was introduced to overcome physical and anatomic limitations. The use of a new intraoral scanner combined with photogrammetry technology in a simplified workflow may improve the ease of fabrication and accuracy of complete arch implant-supported prostheses.

They often have their roots facing the occlusion and their crowns towards the nasal cavity in an inverted configuration.1

Purpose. The purpose of this clinical study was to evaluate the degree of trueness of a conventional intraoral scanner (IOS) and an intraoral photogrammetry scanner (IPS) for complete arch implant-supported prostheses.

Mesiodens diagnosis, mesiodens removal, esthetic concerns of mesiodens, orthodontic treatment after mesiodens removal, supernumerary teeth in adults, surgical extraction.

INTRODUCTION

Mesiodens comes from a Latin origin “mesio” meaning “medio” or middle and “dens” meaning tooth. It is a supernumerary tooth that usually resides between the upper central incisors as the occurrence is rare in the lower region. mesiodens usually results in oral problems such as malocclusion, food impaction and poor aesthetics. It’s the most prevalent type of supernumerary teeth.

Current commercially available photogrammetry systems have been considered extraoral systems that require an additional recording of the soft tissue whether with a conventional impression or a digital scan. Recently an intraoral photogrammetry scanner (IPS) has been introduced that can scan

2. The prevalence of supernumerary teeth in permanent teeth is 1–14%, in accordance with the literature. When compared to females, males are impacted around twice as often. Most extra teeth (90–98%) are found in the maxilla, and 90% of them are only found in the pre-maxilla.2

Listed from the most to the least frequent locations of supernumerary teeth:

• The mesiodens

• Maxillary fourth molars

• Maxillary premolars

• Mandibular premolars

• Maxillary lateral incisors

• Mandibular fourth molars

Material and methods. Participants who had received 4 implants in an edentulous arch for an implant-supported complete arch fixed dental prosthesis were recruited. Three recordings were obtained for each participant: IOS, IPS (tests), and a conventional splinted open-tray impression (reference). Three-dimensional (ΔEUC), and angular deviations (ΔANGLE) for both groups (IOS and IPS) were evaluated and compared with the reference scan. Potential effects (correlation) of the impression device (IOS and SPG) and type of arch (maxilla and mandible) were evaluated. A paired t test was used to evaluate both the angular and 3-dimensional deviation for each implant position. A point-biserial correlation was conducted to assess the relationship between jaw type and angular and ΔEUC deviations in the 2 groups.

• Maxillary premolars

ETIOLOGY

In some syndromes, mesiodens may present as a part of the symptoms; however, this condition might be seen in normal individuals. It seems that positive family history is one of the predisposing factors.

This research did not receive any specific grant from the funding agencies in the public, commercial, or non-profit sectors. The authors declare no conflict of interest and this research did not receive any specific grant from any funding agencies.

AIM OF THE STUDY

• aLecturer, Oral Medicine, Periodontology and Diagnosis, Faculty of Dentistry, Assiut University, Assiut, Egypt.

• bAssociate Professor, Oral Medicine, Periodontology and Diagnosis, Faculty of Dentistry, Ain Shams University, Cairo, Egypt.

• cDemonstrator, Oral Medicine, Periodontology and Diagnosis, Faculty of Dentistry, Assiut University, Assiut, Egypt.

This study aims to cover most of the major topics related to mesiodens diagnosis, surgical removal considerations postsurgical extraction recommendations relevant influencing factors associated with the supernumerary tooth eruption.

Results. Thirteen edentulous arches (9 maxillae, 4 mandibles) in 11 individuals were rehabilitated with a monolithic zirconia screw-retained prosthesis supported by 4 implants, totaling 52 implants. Conventional intraoral scanners (IOS) and intraoral photogrammetry scanners (IPS) were used to scan 104 implant positions, which were then compared with the corresponding reference scans. (mean ΔEUC IOS 59.8 µm, IPS 30.7 µm; mean ΔANGLE IOS 1.4 degrees, IPS 0.78 degrees). A paired t test revealed statistical significance in favor of IPS in terms of both Euclidian and angular deviation (P<.001). In the IOS group, angular deviation had a positive statistically significant correlation with the type of arch (rpb=0.34, n=52, P=.013).

The etiology behind supernumerary teeth formation is unclear. Many ideas, including the dualism of the tooth bud, the hyperactivity of the dental lamina, and a confluence of hereditary and environmental variables have been suggested. However, only two widely accepted hypotheses have been supported.

1. The dichotomy hypothesis of dental germs, a tooth bud divides into two pieces, producing two teeth that may be of equal or different sizes.

Conclusions. The IPS significantly improved the ease and accuracy of recording complete arch implant-supported prostheses.

2. The dental lamina’s local, autonomous, or conditioned hyperactivity causes the development of extra teeth.

Accuracy of intraoral photogrammetry in complete arch digital implant scanning

CLINICAL IMPLICATIONS

Regardless of the type of arch, intraoral photogrammetry appears promising for scanning implants for complete arch implant-supported prostheses.

tissue and that has built-in photogrammetry technology so that it can capture implant locations through special intraoral scan flags. The IPS can accomplish both soft tissue and scan flag scanning and can also merge them in the included software program without the need for a thirdparty software program, as required with extraoral photogrammetry scanners.

The authors are unaware of a previous prospective clinical trial aimed primarily at investigating and comparing the accuracy (degree of trueness) of IOS and IPS for complete arch implant recording. Trueness refers to how close the scanned fixture positions are to reality. The secondary outcome was to examine the potential association between the type of arch (maxilla versus mandible) and the degree of trueness. The chair-side scanning duration of the approaches was also evaluated. The null hypotheses were that no variations would exist between intraoral scanning and intraoral photogrammetry capturing systems for complete arch implant-supported prostheses and that neither capturing system would be affected by the type of arch (maxilla versus mandible).

MATERIAL AND METHODS

All participants were recruited from the periodontology clinic of the Faculty of Dentistry Ain Shams University and Assiut University. Approval for the study had been provided by the ethical committee (FDASU-Rec IR032422). The inclusion criteria consisted of participants who had received 4 implants in a single edentulous arch (Fig. 1), were to receive a 1-piece complete arch implant-supported prosthesis, were available for follow-up visits, and were medically healthy (American Society of Anesthesiology [ASA] classification I or II). Implants were placed fully guided with an approximate location in the canine and first molar areas, respecting the anteriorposterior implant spread,21,22 with an interimplant angulation not exceeding 15 degrees. Otherwise, angled multiunit abutments (MUA) would be used instead of straight MUA. MUAs with suitable cuffs (1 to 3 mm) (IS- II Active Fixture; Neobiotech) were fixed during the implant insertion procedure so that the finish line would be slightly subgingival. All participants had healthy peri-implant soft tissue, except 1 participant with redness around 2 implants associated with slight mobility of the healing abutments.

Figure 1. Intraoral scanner group. A, B, Representative participant in second stage ready for prosthetic phase. C, Custom 3-dimensionally printed open tray with to-be-splinted open-tray impression copings for reference cast fabrication. D, E, Multiunit abutment scan bodies for digital scan capturing.

Accuracy of intraoral photogrammetry in complete arch digital implant scanning

The healing abutments were retightened, and the tissues appeared healthy within a week. The implant stability quotient was assessed by a damping capacity device (Any check; Neobiotech), yielding a minimum ISQ mean value of 70 on the day of recording. All participants signed an informed consent.

The sample size had been calculated based on the primary outcome measure, which was the Euclidean deviation (ΔEUC) for each implant location. According to a previous study10 reporting a standard deviation of 115.5 µm and a mean difference of 49.6 µm, calculations were based on a dependent t test with a power=95%, and α=.05 yielded a total sample size of 57. The number was increased to 60 to account for dropouts. The sample size adequacy was assessed using a software program (PS Power and Sample Size version 3.1.2; PS). In this study, 11 participants with 52 implants were recruited, resulting in 104 recorded virtual implant locations, constituting the entire sample size for comparison with the relative reference scan. For a verified conventional splinted impression, an open-tray impression technique was made by attaching the open-tray impression copings (Multiunit transfer impression copings; Neobiotech) unsplinted to the multiunit abutments on the implant fixtures with the copings being picked up directly using a polyvinyl siloxane (PVS) impression material (Affinis Precious; Coltène).5 Type IV dental stone (Marmoplast N; Siladent) was poured into the impression after being mixed with a vacuum mixer (Twister Vacuum mixing unit; Renfert).

A light-polymerizing tray material (Megatray; Megsdenta Dentalprodukte GmbH) was used for splinting the impression copings extraorally on the primary cast. The resin devices were then sectioned and numbered. The 2-step approach saved chairside time, with minimal mess.23 A custom impression tray was designed digitally using a software program (Zirkon zahn.tray; Zirkohnzahn GmbH) and 3-dimensionally (3D) printed with a digital light processing (DLP) 3D printer (AccuafabD1s; Shining3D) (Fig. 1C).

In the second visit, the sectioned (to be splinted) open-tray impression copings were seated in the patient´s mouth. A radiograph was made to ensure that they were completely seated. They were then splinted with a low-shrinkage flowable composite resin (Gradia Direct LoFlo; GC Corp). A single operator (A.K.E.) made all impressions. The definitive cast was poured using Type IV dental stone (Marmoplast N; Siladent) in accordance with the manufacturer�s guidelines. Titanium frameworks were milled from conventional definitive casts to verify the conventional impressions. The mucosal surfaces of the frameworks were designed to minimize contact with the gingiva, thereby reducing resistance from soft tissues during clinical evaluation. The accuracy of the conventional casts as a control was evaluated by assessing the fit of the frameworks intraorally during the subsequent visit. The Sheffield 1 screw test was used to assess any inaccuracy.10,18 Following the tightening of

screws, the fit was evaluated radiographically using a paralleling technique. Conventional impressions and the following steps were repeated when an improper fit was identified to obtain verified casts as the control. Then, 2 digital scans were recorded, one with a conventional intraoral scanner (AoralScan 3; Shining3D) (Fig. 1D, E) and another with an intraoral photogrammetry scanner (Elite; Shining3D) by a single operator (A.K.E.) (Fig. 2). Both scanners had been calibrated immediately before the recordings. The scanning strategy adhered to the manufacturer’s recommendations throughout all procedures.

For each technique, the chairside time to accomplish the recording (conventional impression or digital scan) was calculated. For the conventional impression, the total time of the 2 visits was calculated. Regarding the digital scan either by IOS or IPS, the whole time of the scanning visit was calculated, including adjustments of the scan flags or scan bodies, tightening, and capturing. A monolithic screw-retained zirconia dental prosthesis was digitally constructed using definitive cast STL files (reference files) and subsequently delivered to the patient. (Figs. 3, 4). The authenticated definitive cast of the traditional impression was digitized using a high-resolution laboratory scanner (DS MIX; Shining3D), achieving an accuracy of <7 µm according to the International Organization for Standardization (ISO) 12836 standard24 to produce a digital definitive cast (STL) file to be used as a reference. Three digital files were acquired for each participant: 1 reference scan (derived from the validated definitive cast), 1 IOS scan, and 1 IPS scan. All STL files were imported into the dental CAD software program (exocad Dental CAD; exocad GmbH), and scan bodies were used to generate multiunit Ti bases from a corresponding digital library. Subsequently, the generated STL files were imported into a software program (Mimics version 2.4; Materialise Mimics) for accuracy evaluations. The 2 STL files were superimposed with the STL file of the reference cast using the “N-point registration” and “global registration” algorithms. All the alignment processes were executed by a single investigator (K.H.B.) and verified by a second investigator (A.K.E.) to exclude errors. The Mimics software program performed multiple iterations automatically using an iterative closest point (ICP) algorithm to refine alignment. The number of iterations was set to 20 so that the probability of error was negligible.

The 3D variation between the 2 STL files was assessed regarding linear and angular deviation. The Euclidean distance is used to measure the differences between 2 points in 3D space. A central point and central axis of the virtual MUA Ti base were used for deviation measurements. The outcome measurements were defined by numbering the implants in the arch sequentially from implant 1 to implant n (n=number of implants), moving from the patient’s right to left (Fig. 5). All statistical analyses were conducted using a statistical software program (SAS version 9.4; SAS Institute). The linear and angular deviations were

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Accuracy of intraoral photogrammetry in complete arch digital implant scanning

subjected to descriptive analysis. The 3D deviation for each implant position was calculated using the Euclidean distance, and significance was evaluated through a paired t test. The distance deviations and the clinically acceptable misfit threshold (100 µm),15,25–27 regarded as the hypothetical mean,

were analyzed using a 1-sample t test. A pointbiserial correlation was conducted to assess the relationship between jaw type and both angular and ΔEUC deviations in the IOS and IPS groups. One-way ANOVA was used to compare the mean scanning time for conventional and scanning techniques (α=.05).

Figure 2.

Intraoral photogrammetry group. A, B, C, D; Scan codes (scan flags) with special dot orientation tightened according to manufacturer instructions (8 to 15 Ncm). Orientation of scan flags toward center, thus facilitating capture of fixture locations in single imaging.

Figure 3. A, B, Designing maxillary and mandibular implant screw-retained monolithic prosthesis after aligning intraoral data with facial scans. C, D, E, F; 3-dimensionally printed polymethyl methacrylate (PMMA) prosthesis acts as rigid prototype to evaluate passivity, intaglio adaptation, smile line, canting, occlusion, and patient satisfaction (esthetic and functional parameters).

Accuracy of intraoral photogrammetry in complete arch digital implant scanning

Figure 4.

A, Evaluating prosthesis on 3-dimensionally printed cast with multiunit abutment (MUA) digital laboratory analogs in place. B, C, D, Screw- retained monolithic zirconia prostheses restoring esthetics and function.

RESULTS

Thirteen edentulous arches, comprising 9 maxillae and 4 mandibles, were rehabilitated in 11 patients using monolithic zirconia screw-retained implant prostheses supported by 4 implants, resulting in a total of 52 implants. Implant positions were recorded using both a conventional intraoral scanner (IOS) and an intraoral photogrammetry scanner (IPS), resulting in a total of 104 implant positions for comparison with the relative reference scans. Normality was checked with QQ plots, histograms, and the Kolmogorov–Smirnov and Shapiro–Wilk test, indicating that the data did not significantly deviate from normality (Fig. 6). The ΔEUC deviation of the IPS group had lower values (M=30.7, SD=18) than those of the IOS group (M=59.8, SD=30). A t test for paired samples indicated that the difference was statistically significant (P<.001), with a 95% confidence interval (−40.33, −17.88). The angular deviation of the IPS group had lower values (M=0.78, SD=0.27 degree) than those of the IOS group (M=1.4, SD=0.44 degree) (P<.001), 95% Confidence interval (−0.8, −0.53) (Fig. 7). Tables 1 and 2 shows Euclidian and angular deviation for each arch in both the IPS and IOS groups, respectively. Table 3 shows the differences from the reference scans of both the IOS and IPS groups. A 1- sample t test revealed that the overall mean of the 3D linear deviations of

the IPS group (M=30.7, SD=18 µm) was significantly lower than 100 µm (P<.001). Also, the conventional IOS group had an overall mean (M=59.8, SD=30 µm) which was also significantly lower than 100 µm (P<.001). The angular deviation of IPS (M=0.78, SD=0.27) was lower than the hypothetical mean (P<.001). However, the angular deviation of the conventional IOS (M=1.4, SD=0.44 degree) was significantly higher than the accepted degree of angular deviation (P<.001). A point-biserial test assessed the correlation between jaw type and angular and ΔEUC deviations in both groups (IPS and IOS). In the IPS group, the relationships between angular deviation and arch type (rpb=0.15, n=52, P=.281) and between EUC and the type of arch (rpb=−0.11, n=52, P=.428) were statistically similar, indicating that intraoral photogrammetry trueness was not affected by the jaw type. In the IOS group, a statistically significant positive relationship existed between angular deviation and arch type. (rpb=0.34, n=52, P=.013). The correlation between EUC and the arch type (rpb=0.1, n=52, P=.463) was statistically similar. The chair side time for obtaining the conventional and the digital scans was statistically significantly different (P<.001) (Tables 4, 5).

Accuracy of intraoral photogrammetry in complete arch digital implant scanning

was statistically significant (P<.001), with a 95% confidence interval (−40.33, −17.88). The angular deviation of the IPS group had lower values (M=0.78, SD=0.27 degree) than those of the IOS group (M=1.4, SD=0.44 degree) (P<.001), 95% Confidence interval (−0.8, −0.53) (Fig. 7). Tables 1 and 2 shows Euclidian and angular deviation for each arch in both the IPS and IOS groups, respectively. Table 3 shows the differences from the

AFigure 5.

Figure 5. A, B, Alignment of STL files of both groups (IOS and IPS) to STL file of reference scan to determine both Euclidian and angular deviations for trueness assessment in Mimics software program. IOS, intraoral scanner; IPS, intraoral photogrammetry; STL, standard tessellation language.

A, B, Alignment of STL files of both groups (IOS and IPS) to STL file of reference scan to determine both Euclidian and angular deviations for trueness assessment in Mimics software program. IOS, intraoral scanner; IPS, intraoral photogrammetry; STL, standard tessellation language.

et al THE JOURNAL OF PROSTHETIC DENTISTRY

Figure 6.

A, B, C, D, QQ plots and histograms show that data did not significantly deviate from normality.

Figure 7.

Eldabe

Figure

Figure 7. A, B, Box plots showing Euclidian and angular deviations of both groups.

Figure 6. A, B, C, D, QQ plots and histograms show that data did not significantly deviate from normality.

Figure 7. A, B, Box plots showing Euclidian and angular deviations of both groups.

Accuracy of intraoral photogrammetry in complete arch digital implant scanning

Table 1.

Euclidian and angular deviation for each arch in intraoral photogrammetry (IPS) group

Table 2. Euclidian and angular deviation for each arch in intraoral scanner (IOS) group

Table 3.

Mean, and standard deviation of linear, Euclidian, and angular deviations of both intraoral scanner (IOS) and intraoral photogrammetry (IPS) groups

Table 4.

Mean and standard deviation of chairside time for three recording techniques (conventional splinted open tray, IPS, IOS).

IOS, intraoral scanner; IPS, intraoral photogrammetry; SD, standard deviation.

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Table 5.

Accuracy of intraoral photogrammetry in complete arch digital implant scanning

Chairside time of three recording techniques

DISCUSSION

The primary outcome of this single cohort clinical trial was to compare the accuracy of intraoral scanning (IOS) and an intraoral photogrammetry capturing system (IPS) in patients with complete arch prostheses supported by

4 implants. Based on the results of this study, the null hypothesis that no variations would be found between intraoral scanning and intraoral photogrammetry capturing systems for complete arch implant-supported prostheses was rejected, as both the Euclidian (ΔEUC) and angular deviations were statistically higher in the IOS group than in the IPS group. The null hypothesis that both capturing systems would not be affected by the arch type was partially rejected, as the means of deviations were higher in the mandible than in the maxilla in the IOS group; however, no difference between the maxillary and mandibular arches was found when using the IPS capturing system.

The splinted open-tray impression technique is still the standard for capturing complete arch implantsupported prostheses. Papaspyridakos et al6 reported the superiority of the splinted technique for delivering a passive complete arch, 1-piece fixed prosthesis. Recently, Revilla-León et al16 compared the splinted conventional impression technique with photogrammetry, revealing the higher trueness (3 µm difference) and precision (18 µm difference) of the splinted technique.16 The present study used the splinted technique to produce a reference cast, which was digitalized using a high-resolution laboratory scanner (DS MIX; Shining3D) with an accuracy of <7 µm (ISO 12836) to generate a digital definitive cast (STL) file.

Several approaches have been used to quantify the deviations of implant positions: some report data in 3 dimensions (X, Y, Z), others evaluate lengths and angles with a single point that is considered a fixed landmark, and a completely different approach has been used to compare the scanned scan bodies using the best-fit technique.19 Passive fit for screw-retained definitive prostheses requires precise abutment platform data. To make the results more clinically relevant, only information from the abutment platforms was extracted and

used to compute the 3D deviation. The present study design focused on calculating 3D deviations for each implant position through a best-fit alignment algorithm applied to the reference and test scans. The variations of each implant can be analyzed from linear (ΔY, ΔX, ΔZ), 3D (ΔEUC) and angular (ΔANGLE) perspectives.10,28

The authors are unaware of a previous clinical trial that assessed the accuracy of complete arch digital scans executed with intraoral photogrammetry and intraoral scanning. Previous studies have assessed IOSs in complete arch implant scanning, but its use in daily practice for this purpose remains controversial.17,29,30 This debate arises from a lack of agreement regarding the permissible misfit range of a single implant in a complete arch supported by 4 and 6 implants, as well as the suitable clinical measurement method.13,14 To prevent long-term complications, a threshold value of 150 µm has been recommended.25 Moreover, manufacturing and its tolerance, which may create deviations ranging from 20 to 100 µm, should be considered,31,32 as should the implant number per arch, as the increase in the number of implants inversely affects the tolerable deviations.10,33 Recently, interimplant distance, interimplant angulation, scan body type, intraoral scanner type, and operator experience have been reported to significantly affect the accuracy of scanning.34,35

Yan et al 28 compared the accuracy of an extraoral photogrammetry system and intraoral scanning in patients with complete arch implant-supported prostheses. In all participants, photogrammetry yielded less deviation, and the results were statistically significant compared with those of intraoral scanning (range 2.70–92.80 µm, median 17.00 versus 21.30 to 815.60 µm, and median of 48.95 µm). Also, the accuracy of photogrammetry was not affected by the position or number of implants, unlike IOS. The authors did not recommend IOS for complete arch implant scanning, as the results did not pass the accepted threshold level.28 In the present study, although the IOS 3D deviation was statistically significantly different (P<.05) compared with IPS (IOS M 59.8 µm, SD=30 versus IPS M=30.7 µm, SD=18),the results were still below the accepted threshold of the misfit. This might be attributed to only 4

Accuracy of intraoral photogrammetry in complete arch digital implant scanning

implants per arch for all participants. Similarly, a statistically significant correlation was found between IOS angular deviation and the mandibular arch (P<.05). However, no correlation was found between the arch type and IPS deviation, whether Euclidian or angular (P>.05).

In the present study, both IOS and IPS showed a lower Euclidian deviation mean (M 59.8 µm, 30.7 µm respectively) when compared with the hypothetical mean when considering 100 µm as the upper limit of acceptable fit. However, the angular deviation means of the IOS (1.4 degree) exceeded the acceptable theoretical limit of 1-degree angular deviation, while IPS had a 0.78-degree deviation, lower than the accepted deviation. Manzella et al15 investigated the degree of tolerable misfit by utilizing a gypsum indicating device as a brittle material that would fracture with any degree of intolerable misfit. The indicating device did fracture with a 150-µm horizontal misfit, 50-µm vertical misfit, and 1 degree of angular deviation when considering these values as the threshold of acceptable misfit.15 The clinical meaning of this deviation difference between IPS and IOS has to be further interpreted considering the overall number of implants for each arch. For complete arch digital implant scans, these variations might suggest that IPS is a more dependable option than IOS, although it is still advised to attempt a rigid prototype before making a definitive screw-retained complete arch implant-supported prosthesis. Similar outcomes have been reported in a recent in vivo study17 comparing IOS and extraoral stereophotogrammetry systems (SPG), whose clinical performance was analyzed and compared in the same participant. SPG was reported to be more accurate than IOS (mean EUC SPG 87.6 µm; mean SPG angle 0.38 degree versus mean EUC IOS 137.2 µm; mean IOS angle 0.79 degree) and was not affected by the position or number of implants.17

In the present study, the use of IPS affected not only the accuracy of capturing but also the ease of the process itself, demonstrated by the statistically significant difference in scanning times when IPS (mean 14.1 min SD 1.5) and IOS (mean 18.2 min SD 3.6) were used (P<.001). Unlike conventional intraoral scanners, photogrammetry was not affected by soft tissue or by blood or saliva making it better at scanning complete arches immediately after surgery. Limitations of the present study included that, because of the clinical design, no repetitions were conducted; therefore, precision was not evaluated, and only trueness could be

calculated. The study was only on prostheses supported by 4 implants; other implant numbers per arch should be further investigated. No standardization of the type of arch (maxilla or mandible) added to the study limitations. Also, as the results of this study were based on only 1 intraoral scanning system, IPS should be compared with different intraoral scanning technologies and with extraoral photogrammetry systems.

CONCLUSIONS

Based on the findings of this clinical study, the following conclusions were drawn:

1. Intraoral scanning can be used for complete arch implants in some patients.

2. Intraoral photogrammetry system (IPS) significantly improved the ease of fabrication and accuracy of complete arch prostheses supported by 4 implants.

3. Unlike IOS, the trueness of intraoral photogrammetry (IPS) was not affected by the type of jaw.

ETHICAL APPROVAL STATEMENT

All the performed procedures were conducted according to the ethical principles and standards of the institutional and national research committee and with the Declaration of Helsinki and its later amendments (revised in October 2018). The study protocol was independently reviewed and approved by the Institutional Ethical Committee, Faculty of Dentistry, Ain Shams University (FDASU-Rec IR032422). Informed written consent was obtained from all individual participants included in the study.

DATA AVAILABILITY STATEMENT

The data sets used and analyzed during the current study are available from the corresponding author on reasonable request.

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Accuracy of intraoral photogrammetry in complete arch digital implant scanning

REFERENCES

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2- Hoods-Moonsammy V, Owen CP, Howes D. A comparison of the accuracy of polyether, polyvinyl siloxane, and plaster impressions for long-span implant-supported prostheses. Int J Prosthodont. 2014;27:433–438.

3- Leggeri A, Carosi P, Mazzetti V, Arcuri C, Lorenzi C. Techniques to improve the accuracy of intraoral digital impression in complete edentulous arches: A narrative review. Appl Sci. 2023;13:7068.

4- Kachhara S, Nallaswamy D, Ganapathy DM, Sivaswamy V, Rajaraman V. Assessment of intraoral scanning technology for multiple implant impressions:A systematic review and metaanalysis. J Indian Prosthodont Soc 2020:41–52.

5- Papaspyridakos P, Chen CJ, Gallucci G, Doukoudakis A, Weber HP, Chronopoulos V. Accuracy of implant impressions for partially and completely edentulous patients: A systematic review. Int J Oral Maxillofac Implants. 2014;29:836–845.

6- Papaspyridakos P, Lal MSK, George MS, White S. Effect of splinted and nonsplinted impression techniques on the accuracy of fit of fixed implant prostheses in edentulous patients: A comparative study. J Prosthet Dent. 2012;108:83.

7- Hariharan R, Shankar C, Rajan M, Baig MR, Azhagarasan NS. Evaluation of accuracy of multiple dental implant impressions using various splinting materials. Int J Oral Maxillofac Implants. 2010;25:38–44.

8- Moon YG, Lee KM. Comparison of the accuracy of intraoral scans between complete-arch scan and quadrant scan. Prog Orthod. 2020;21:4–9.

9- Yilmaz B, Gouveia D, Marques VR, Diker E, Schimmel M, Abou-Ayash S. The accuracy of single implant scans with a healing abutment-scanpeg system compared with the scans of a scanbody and conventional impressions: An in vitro study. J Dent. 2021;110:103684.

10- Pozzi A, Arcuri L, Lio F, Papa A, Nardi A, Londono J. Accuracy of complete- arch digital implant impression with or without scanbody splinting: An in vitro study. J Dent. 2022;119:104072.

11- Paratelli A, Vania S, Gómez-Polo C, Ortega R, Revilla-León M, Gómez- Polo M. Techniques to improve the accuracy of complete arch implant intraoral digital scans: A systematic review. J Prosthet Dent. 2023;129:844–854.

12- Pérez-Giugovaz MG, Mosier M, Revilla-León M. An additively manufactured intraoral scan body for aiding complete-arch intraoral implant digital scans with guided integration of 3D virtual representation. J Prosthet Dent. 2022;127:38–43.

13- Rutkunas V, Larsson C, Vult von Steyern P, Mangano F, Gedrimiene A. Clinical and laboratory passive fit assessment of implant-supported zirconia restorations fabricated using conventional and digital workflow. Clin Implant Dent Relat Res. 2020;22:237–245.

14- Katsoulis J, Takeichi T, Gaviria AS, Peter L, Katsoulis K. Misfit of implant prostheses and its impact on clinical outcomes. Definition, assessment and a systematic review of the literature. Eur J Oral Implantol. 2017;10:121–138.

15- Manzella C, Bignardi C, Burello V, Carossa S, Schierano G. Method to improve passive fit of frameworks on implant-supported prostheses: An in vitro study. J Prosthet Dent. 2016;116:52–58.

16- Revilla-León M, Rubenstein J, Methani MM, Piedra-Cascón W, Özcan M, Att W. Trueness and precision of complete-arch photogrammetry implant scanning assessed with a coordinatemeasuring machine. J Prosthet Dent. 2023;129:160–165.

17- Pozzi A, Carosi P, Gallucci GO, Nagy K, Nardi A, Arcuri L. Accuracy of complete-arch digital implant impression with intraoral optical scanning and stereophotogrammetry: An in vivo prospective comparative study. Clin Oral Implants Res. 2023;34:1106–1117.

18- Zhang YJ, Qian SJ, Lai HC, Shi JY. Accuracy of photogrammetric imaging versus conventional impressions for complete arch implant-supported fixed dental prostheses: A comparative clinical study. J Prosthet Dent. 2023;130:212–218.

19- Orejas-Perez J, Gimenez-Gonzalez B, OrtizCollado I, Thuissard IJ, Santamaria-Laorden A. In Vivo complete-arch implant digital impressions: Comparison of the precision of three optical impression systems. Int J Environ Res Public Health. 2022;19:4300.

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20- Sánchez-Monescillo A, Sánchez-Turrión A, Vellon-Domarco E, Salinas- Goodier C, PradosFrutos J. Photogrammetry impression technique: A case history report. Int J Prosthodont. 2016;29:71–73.

21- Sun X, Cheng K, Liu Y, et al. Biomechanical comparison of all-on-4 and all- on-5 implantsupported prostheses with alteration of anteriorposterior spread: A three-dimensional finite element analysis. Front Bioeng Biotechnol. 2023;11:1–12.

22- Malo P, De Araújo Nobre M, Lopes A, Moss SM, Molina GJ. A longitudinal study of the survival of all-on-4 implants in the mandible with up to 10 years of follow-up. J Am Dent Assoc. 2011;142:310–320.

23- Patil P, Madhav VNV, Alshadidi AAF, et al. Comparative evaluation of open tray impression technique: Investigating the precision of four splinting materials in multiple implants. BMC Oral Health. 2023;23:1–13.

24- ISO International Organization for Standardization. Dentistry – Digitizing devices for CAD/CAM systems for indirect dental restorations –. Test methods for assessing accuracy. 12836. 2015:19.

25- Jemt T. In vivo measurements of precision of fit involving implant- supported prostheses in the edentulous jaw. Int J Oral Maxillofac Implants. 1996;11:151–158.

26- Jemt T, Book K. Prosthesis misfit and marginal bone loss in edentulous implant patients. Int J Oral Maxillofac Implants. 1996;11:620–625.

27- Rutkunas V, Gedrimiene A, Akulauskas M, Fehmer V, Sailer I, JegeleviciusC D. In vitro and in vivo accuracy of full-arch digital implant impressions. Clin Oral Implants Res. 2021;32:1444–1454.

28- Yan Y, Lin X, Yue X, Geng W. Accuracy of 2 direct digital scanning techniques—Intraoral scanning and stereophotogrammetry—for complete arch implant-supported fixed prostheses: A prospective study. J Prosthet Dent. 2023;130:564–572.

29- Kanjanasavitree P, Thammajaruk P, Guazzato M. Comparison of different artificial landmarks and scanning patterns on the complete-arch implant intraoral digital scans. J Dent. 2022;125:104266.

30- Chochlidakis K, Papaspyridakos P, Tsigarida A, et al. Digital versus conventional full-arch implant impressions: A prospective study on 16 edentulous maxillae. J Prosthodont 2020:281–286.

31- Ortorp A, Jemt T, Bäck T, Jälevik T. Comparisons of precision of fit between cast and CNC-milled titanium implant frameworks for the edentulous mandible. Int J Prosthodont. 2003;16:194–200.

32- Abduo J. Fit of CAD/CAM implant frameworks: A comprehensive review. J Oral Implantol. 2014;40:758–766.

33- de França D, Morais M, das Neves F, Carreiro A, Barbosa G. Precision fit of screw-retained implantsupported fixed dental prostheses fabricated by CAD/CAM, copy-milling, and conventional methods. Int J Oral Maxillofac Implants. 2017;32:507–513.

34- Zhang YJ, Shi JY, Qian SJ, Qiao SC, Lai HC. Accuracy of full-arch digital implant impressions taken using intraoral scanners and related variables: A systematic review. Int J oral Implantol. 2021;14:157–179.

35- Gómez-Polo M, Ortega R, Sallorenzo A, et al. Influence of the surface humidity, implant angulation, and interimplant distance on the accuracy and scanning time of complete-arch implant scans. J Dent. 2022;127.

Corresponding author:

Assoc Prof Doaa Adel-Khattab Oral Medicine, Periodontology and Oral Diagnosis Faculty of Dentistry Ain Shams University Cairo EGYPT

Email: dr.doaa.adel-khattab@dent.asu.edu.eg

CRediT authorship contribution statement

All authors have made substantial contributions to the conception and design of the study A.K.E., and K.H.B., conceptualized and designed the study, D.A., and A.K.E., have been involved in data collection and data analysis. A.K.E., K.H.B., and D.A., have been involved in data interpretation, and drafting of the manuscript, A.K.E., and D.A., revised it critically and have given final approval of the version to be published.

https://doi.org/10.1016/j.prosdent.2025.03.041

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Could Poor Oral Hygiene Be Affecting Your Ears? Exploring

the Hearing Risks of Oral Bacteria

If you’ve ever experienced hearing troubles, you might not have considered that your oral hygiene could play a role. Without proper care, harmful bacteria can develop around your teeth and gums, potentially leading to issues such as infected tooth roots, periodontal disease, and TMJ disorders.

How Oral Health Connects to Your Ears

Neglecting to brush, floss, or attend regular dental check-ups can result in problems like bacteria buildup in the roots of your teeth, gum infections, or jaw issues. Since your jaw and several nerves are closely connected to your ears, maintaining good oral health can help prevent ear pain and hearing problems. Let’s explore some key ways oral hygiene can impact your ears and hearing.

Infected Tooth

An infected tooth can cause severe pain and throbbing. When bacteria penetrate the tooth’s protective enamel and reach the root’s nerve, they can cause significant discomfort and possibly lead to an abscessed jaw.

But the impact doesn’t stop there. Oral bacteria can spread to blood vessels in your ears and other areas, while pain from the nerves in your teeth can radiate through your jaw. This is especially true for the nerves in the upper jaw, which are located near the ear canals. Consequently, a toothache might also trigger ear pain, such as an earache.

To avoid these complications, schedule a dental appointment if you notice a toothache. Your dentist can perform root canal therapy to remove infected nerve tissue from the tooth root, relieving pain and preventing the spread of bacteria into your bloodstream.

Periodontal Disease

Bacteria from an infected tooth can spread to the gums, prompting your immune system to fight back through inflammation. Unfortunately, this response can damage gum tissue, potentially leading to tooth loss—a condition known as periodontal disease.

Periodontal disease can also affect your hearing. As your body combats bacteria, blood vessels that supply the nerve cells in your ears may narrow. If insufficient blood reaches these nerves, they can begin to deteriorate, potentially causing hearing loss.

To prevent this, it’s essential to maintain good

dental hygiene through regular brushing, flossing, and dental check-ups. If periodontal disease develops, visit your dentist promptly for treatment to protect both your oral health and your hearing.

Temporomandibular Joint (TMJ) Disorders

The temporomandibular joint (TMJ), located near your ears, enables your jaw to move up, down, and side to side, allowing you to eat and speak. When this joint is injured or affected by a condition that limits jaw function and causes pain, it’s referred to as a TMJ disorder.

Because the TMJ is situated close to the ears, it can lead to symptoms that impact ear health, including:

Earaches

A full or clogged sensation in the ear

Muffled or slight hearing loss

Tinnitus (ringing in the ear)

Regular dental visits can help detect early symptoms and prevent more severe complications. Dentists can also provide corrective care for tooth-grinding issues or alignment problems that contribute to TMJ disorders.

Protect Your Oral and Hearing Health

These issues are largely preventable with consistent oral hygiene practices, such as brushing, flossing, and attending routine dental check-ups. As healthcare professionals, we’re here to address your concerns and answer any questions about your hearing health.

About the Author

Katie Koebel, M.Cl.Sc., is the Senior Manager of Audiology at HearingLife, Canada’s largest group of hearing centres with over 350 locations across the country. HearingLife clinics use the most advanced hearing aid technology, clinical support, and diagnostic equipment. Katie is an Audiologist registered with CASLPO and has been providing her clients with the best possible hearing health care with HearingLife for over 17 years.

If you’re at high risk of hearing damage, it is advisable to have your hearing checked regularly and advocate for proper hearing protection in your workplace. For more information on different types of hearing loss and education resources, you can visit HearingLife online or at one of our locations across Canada.

INDEX Conferences and Exhibitions and The British University in Egypt A Strategic Partnership to Redefine the Relationship Between Industry

and Education

Cairo, June 24, 2025: In a landmark move signaling a new era for strategic partnerships, INDEX Conferences and Exhibitions, a member of the leading UAE, based INDEX Holding, has signed a Memorandum of Understanding (MoU) with the British University in Egypt. This collaboration aims to establish an integrated model that combines academic depth with professional expertise in medical education, scientific research, and the organization of specialized global events.

This agreement goes beyond a typical academic partnership; it embodies INDEX’s vision as a regional powerhouse driving impact and exporting knowledge and expertise across the Arab world. The MoU was signed during an official visit by the INDEX Holding delegation to Cairo, reflecting strategic efforts to reshape the relationship between education and industry — particularly the conference and events sector — transforming events into platforms for future, building rather than mere seasonal occasions.

The initiative reinforces INDEX’s commitment to transferring the UAE’s pioneering model of integration between education, innovation, and development to the broader region through effective partnerships. These efforts

support the establishment of sustainable educational and healthcare ecosystems on both regional and international levels.

The signing ceremony took place at the British University in Egypt’s headquarters and was attended by His Excellency Amb. Dr. Abdulsalam AlMadani Roving Ambassador of the Parliamentary Assembly of the Mediterranean (PAM) for the GCC Region and Chairman of INDEX Holding, alongside Dr. Tarek Abbas, Vice President of the British University in Egypt. In the presence of Mr. Tareq AlMadani, CEO of INDEX Conferences and Exhibitions and INDEX Design, and Ms. Sara AlMadani, CEO of INDEX Media, along with a high dignitary of professors from the university’s medical and pharmaceutical faculties.

The MoU aims to enhance cooperation in organizing conferences and exhibitions, as well as in health, medical, and scientific programs, continuing education, and the development of educational and awareness initiatives that contribute to improving healthcare quality across the Arab world and Africa.

His Excellency Dr. Abdulsalam AlMadani highlighted the significance of this collaboration, emphasizing that the MoU opens new horizons for fruitful partnerships reflecting the UAE’s leading role and its national institutions in supporting health and education efforts regionally and globally. He stated: “We hold the conviction that the foundation of healthy and sustainable communities lies in the enhancement of regional and international cooperation, and that scientific advancement constitutes the cornerstone of the progress of nations and societies. Accordingly, this

INDEX & The British University in Egypt

partnership represents a transformative milestone in connecting knowledge with practical application, and a significant step forward in our pursuit of establishing integrated educational and professional systems—where the conference functions as an instrument of change, the exhibition as a gateway to innovation, and education as an ongoing journey that transcends the confines of the university. We firmly believe that Egypt, endowed with its abundant human resources, creative intellects, and established institutions, stands as a strategic partner in shaping a more radiant Arab future founded upon integration, innovation, and the investment in intellectual capital.”

For his part, Dr. Tarek Abbas, Vice President for the Medical Sector at the British University in Egypt, emphasized the strategic importance of this partnership with INDEX Conferences & Exhibitions. He stated that signing the MoU represents a pivotal step towards expanding regional and international cooperation in medical education, training, and continuous professional development. Dr. Abbas also underscored the strong scientific and research partnership between the British University in Egypt and the Egyptian Dental Association with the Global Scientific Dental Alliance, chaired by His Excellency Dr. Abdulsalam AlMadani. This longstanding collaboration has contributed to cementing the university’s role in supporting academic and research excellence on an international level. He described the current visit as a crowning achievement in this ongoing journey, aimed at building a bright future for coming generations.

Dr. Tarek Abbas added that the British University in Egypt is the first university in Egypt and North Africa to receive the UK Quality Assurance accreditation (QAA) in 2024, coinciding with the university’s celebration of its 20th anniversary.

Following the signing ceremony, Dr. Tarek Abbas, Vice President for the Medical Sector at the British University in Egypt, accompanied Dr. Abdulsalam AlMadani and his delegation on a tour of the university’s Faculty and Hospital of Dentistry, under the supervision of Professor Dr. Ferdous Rizk, Acting Dean of the Faculty. The delegation reviewed the latest medical and educational facilities, showcasing the university’s commitment to providing an advanced academic and research environment that supports excellence in healthcare and education.

Furthermore, both parties expressed their anticipation for launching joint initiatives, aimed at translating the goals of this collaboration into actionable programs and innovative projects that contribute to enhancing the quality of life and achieving a sustainable impact on Arab and African communities. They emphasized that this partnership represents an advanced model that strengthens the region’s position as a leading platform for innovation and development in the health and education sectors.

Through this cooperation, INDEX—whose global platforms include the Dubai International Pharmaceuticals and Technologies Conference and Exhibition (DUPHAT), the UAE International Dental Conference and Arab Dental Exhibition (AEEDC Dubai), Dubai World Dermatology and Laser Conference and Exhibition (Dubai Derma), Healthcare Future Summit, the International Family Medicine Conference & Exhibition, and the Annual Radiology Meeting among other specialized events with a global footprint—reinforces its pioneering role. INDEX’s efforts go beyond event organization to become an integral part of a comprehensive ecosystem for knowledge creation, enabling institutions to reach their true audiences, and forging sustainable strategic partnerships that transcend geographical boundaries and build bridges between generations, in pursuit of a more advanced future.

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TUNISIA MED PRO TUNISIA 19 Rue Tarek Ben Moussa Khaznadar 2017 Tunis Phone: +216 21 65 16 32 medpro@laposte.net

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UNITED ARAB EMIRATES CITY PHARMACY CO. Office No. 901, 9th Floor, Al Otiba Tower, Shaik Hamdan Street, P.O.Box 2098, Abu Dhabi

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YEMEN YEMEN STORES FOR DRUGS & MEDICAL SUPPLIES

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BELMONT EXPERIENCE CENTER

Grand opening of a long-awaited facility in October 2023, where you will EXPERIENCE our quality that you can trust.

The BELMONT EXPERIENCE CENTER allows you to experience our craftsmanship and philosophy by creating opportunities to see, touch, feel and try out our latest dental products and high quality technology.

Our best seller “Clesta II/Celeb” , simple yet highquality model “Credia G1” , ergonomically designed “Clesta eIII” and “EURUS S4” embodying our belief with innovative features will be there for you.

Please bring yourself to Osaka, Japan to “experience” how our products will elevate work efficiency in dental practice and bring a supreme level of comfort for both dental professionals and patients.

The hydraulic mechanism of the chair ensures smooth and quiet movement of the joints and provides a comfortable feeling for patients. One of the characteristics, touch screen interface has been designed to improve efficiency and reduce stress during treatment.

When a handpiece is chosen and picked up, the screen displays only necessary information, helping the dentist concentrate on the treatment.

EURUS unit with a new option, «Built-in X-ray» is shown at AEEDC Dubai 2024, so we welcome your visit at our Belmont booth.

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Company name: VOCO GmbH

Country of origin: Germany

Website: www.voco.com

The family-run dental company VOCO located in Cuxhaven (Germany) is one of the leading manufacturers in the industry, both nationally and internationally.

The product portfolio comprises more than 100 preparations, with a focus on preventive, restorative, prosthetic and digital dentistry.

The products are manufactured at the headquarters and are therefore 100 percent “Made in Germany”. 440 people are employed in the departments of research, production and administration in Germany.

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IonoStar Plus

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IonoStar Plus is a glass ionomer restorative material with numerous special features. Very easy to extract from the capsule, the material at first has excellent wetting characteristics resulting in optimal marginal adaptation. Its viscosity then changes within a few seconds, making the material malleable for at least one minute without sticking. It thus provides ideal viscosity at every stage of application.

Moreover, IonoStar Plus has a curing time of just two minutes, after which work can continue immediately. This is a valuable advantage, particularly in the treatment of patients with low compliance, such as children.

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Another 400 employees are responsible for sales worldwide and take care of dentists and depots on site.

In addition to user-friendliness, the highest safety standards and product quality have top priority at VOCO: Since September 2021, VOCO has been one of the first German dental companies to be fully certified under the European Medical Device Regulation (MDR) in accordance with (EU) 2017/745.

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Admira Fusion 5 uses five different Cluster-Shades, each bundling several VITA® classical shades. This provides adaptation to the natural colour gradient of the tooth as well as more efficient and easy shade selection.

Thanks to the simplified shade system, all 16 VITA® classical shades can be covered with only five ClusterShades. Multi-shade layering is not necessary.

This means that you are optimally positioned for your everyday practice with only five shades and can thus considerably streamline your inventory. This enables a better overview, and incorrect stocks are a thing of the past.

Simplified shade system

• all VITA classical shades can be covered with just 5 Cluster-Shades – there is no need for multiple layering

• significantly reducing your inventory

• new resin matrix enables enhanced chameleon effect through optimised light scattering

Universal

• completely universal – for the highest demands in anterior and posterior regions

• Easy and fast handling

Company name: Ultradent Products Inc.

Country of origin: Salt Lake City, UT (USA) Website: www.ultradent.com

Ultradent Products Inc. was founded in 1978 in Salt Lake City by Dr. Fischer dentist, researcher and university professor (now Founder & CEO Emeritus of Ultradent Products, Inc.) with the aim of improving the techniques and products used by dentists in the entire world, in order to solve patient problems faster and without invasive methods.

Now, marking its 44th year as a family-owned, international dental supply and manufacturing company, Ultradent has continued its vision to improve oral health globally by creating better dental products that continue to set new industry standards.

AFGHANISTAN

MUHAMMAD AHMAD SABAWOON LTD

Khushal khan, mina block 32, muqabil sello, Kabul Phone: (00) 788775555 chughtai1@hotmail.com

BAHRAIN

DENTAL WORLD & MEDICAL SUPPLIES

Office 11, bldg 932 Road 632 , block 706, salmabad Phone: (00)973 (178) 96322 dwms.bh@gmail.com

CYPRUS

PM DENTAL

11A KORITSAS, Nicosia Phone: (00)35722594050 p.m.dental@cytanet.com.cy

EGYPT

ELWAN DENTAL SUPPLIES

70 Merghani street 10th floor Managger, Cairo

Phone: (00)202.33873883 elwanyegypt@yahoo.com

IRAN

GOLNAR NIKAN DANDAN

Unit 9, #64 Building, Opp Bahar St, Enghelab Ave P.O. Box: 1148836873, Tehran Phone: (00)9821 77533716 kavehgolnar@yahoo.com

IRAQ

SMART DENT

Almansoor street, beside zain

Ultradent currently researches, designs, manufactures, and distributes more than 500 materials, devices, and instruments used by dentists around the world, has subsidiaries in 9 countries and sells products in over 125 countries. Ultradent also works to improve the quality of life and health of individuals through financial and charitable programs.

communication bldg

Bldg no. 3 Floor 2, Baghdad Phone: (00)7810775922 smartdent79@yahoo.com

JORDAN

MALEK DENTAL & MEDICAL SUPPLY

jo 75 Al Buhturi Street, 2nd Circle, Jabal Amman, P.O. Box 7067, Amman Phone: (00)7810775922 mhdentamed@go.com.jo

KUWAIT

ADVANCED TECHNOLOGIES

Hawali 32060, P.O.Box 44558 Kuwait City Phone: (00)962795533513 ali@atc.com.kw

LIBYA

ALBYAN ALMOTAGADED FOR IMPORTING OF EQUIP & MEDICAL SUPPLIES CO LTD

Mohd Fkini St., Bldg No. 20, PO Box 82525, Tripoli Phone: (21) 333-3021 albyan_centre@hotmail.com

MOROCCO

A.M.E.D.

47, Rue de bruxelles, Casablanca Phone: (00)212.522823134 ihssan.b@amed.ma

OMAN

PIONEER TRADE & MEDICAL SUPPLY

Khalid Al Said Investment Co. PO Box 77 PC 103, Muscat Phone: (00)68 9780 4272 raed@pioneersoman.com

PAKISTAN

PAK-MED DENTAL SUPPLIES

pmdsupplies@gmail.com

Phone: (00)92 52 325 722

BILAL ENTERPRISES

Chughtai1@hotmail.com

QATAR

CEDARS DENTAL CENTER

P.O. Box 47684

Al Hilal, Doha Phone: (00)974.44864088 chaanine@cedars-dental.com

SAUDI ARABIA

DENTAL ERA

Al-Abdel Latif Plaza, King Fahd Rd, 3RD Floor, Office # 306 P.O. Box 126122, Jeddah Phone: +966 12 2752 382 ashraf.mubarak@dentalera.com

SYRIA

BADRIG AYDENIAN

Shouhada street, Damascus Phone: (00)963 (11) 444 6429 aydbaco@gmail.com

TUNISIA

DISTRI MED

Av. De Madrid, Tunis Phone: (+216) 71 334 812 distri-med@planet.tn

UNITED ARAB EMIRATES

ELWAN TECHNICAL SUPPLIES

P.O. Box 43305, Abu Dhabi Phone: (00)97126393292 etselwan@emirates.net.ae

Opalescence™

The #1 Professional Teeth Whitening Brand on the Planet

When you want to give your patients the best results, your only choice is Opalescence™ teeth whitening!

Opalescence™ PF whitening | The most customizable of our whitening options. Use Opalescence™ PF whitening with custom trays made by your dentist for a personalized whitening solution day or night.

Opalescence Go™ whitening | It’s a portable, quick application. You pop in the UltraFit™ tray for the directed time and then brush afterwards. The tray gets thrown away and you pop in a new one next time! You can keep it anywhere there’s a fridge and a toothbrush.

Opalescence™ Boost™ in-office whitening | This miraculous product is so potent, it still needs to be applied by your dentist. It’s worth mentioning here because it’s an excellent option for fast, powerful teeth whitening. Think of it as a boost to start your whitening experience. Complete your whitening treatment with an Opalescence™ whitening take-home option.

Opalescence™ Whitening Toothpaste | Did you know that foods and other factors can cause surface stains on your teeth? A safe, everyday whitening toothpaste gently scrubs away surface stains and helps maintain a healthy smile. Achieve the best results by using toothpaste in tandem with our other whitening products which work to whiten below the surface.

Cordless and Corded LED Curing Lights

“Everything that VALO was, VALO X is just a better version. I’m really proud of that.” Neil Jessop, Senior Vice President of R&D Ultradent Products

When the original VALO™ curing light was launched in 2009, it changed the way people thought of a curing light. As we have continued to add to the VALO™ curing light family, we have worked tirelessly to ensure that every light has improved upon the past while retaining the durability, accessibility, and power that set the original VALO™ light apart from the rest.

Today, we wanted to ensure the VALO™ X light was the most innovative curing light we’ve created. We redesigned the VALO™ curing light from the bottom up to ensure that the VALO™ X light has the most cutting-edge components and state-of-theart features.

Find your perfect VALO™ light!

Valo™

trident View Gold

I-View Gold Intraoral sensor

CHROMATCHER

I-View Gold Intraoral sensor

CHROMATCHER

Thanks to the advanced calibration tool, the I-View Gold captures high-definition images without any filters. Calibration files are used to remove any imperfections during acquisition, reducing noise and enhancing detail. As a result, the images captured by the I-View Gold require no further processing, ensuring reliable images, accurate diagnosis and time efficiency.

Shade Guide At Your Fingertips!

DMP enhances its digital product range by presenting the first ever mobile shade guide application. - Chromatcher

- DICOM compatibility

- Bridge feature for connecting to other dental management software.

- TWAIN option

- Multiuser connection

This unique app offers the user (dentist or technician) the ability to accomplish the restoration effortlessly. The Chromatcher is used to determine the tooth shade of the patient by taking a photo of the desired tooth area and matching it with DMP’s shade system for restorative materials. Therefore, the user knows the required shade immediately through the Chromatcher avoiding the use of conventional shade guides. This process applies for all aesthetic restorations using DMP’s restorative materials.

- Bridge feature for connecting to other dental management software.

Download Chromatcher now, free at Apple Store! (available for iPhone, iPad & iPod touch)

www.dmpdental.com

www.voco.dental

Download Chromatcher now, free at Apple Store! (available for iPhone, iPad & iPod touch)

Etch, prime and bond in one step!

Nanoceram-Bright

The trend in the development of adhesive systems is to improve adhesion while simplifying clinical manipulation steps. Along with that, the use of universal adhesives has been increasing and its performance has been reported to be clinically sufficient.

Flow

Nanoceram-Bright Flow

Nanoceram-Bright Flow is a light curing flowable version of the Nanoceram-Bright composite using the same nanohybrid technology to achieve optimum results. It is characterized by its superior aesthetics through its chameleon effect and high gloss polishability. This highly thixotropic product guarantees easy handling and precise application.

Indications

Anterior and limited posterior restorations

Indications

Liner for class I and II restorations

The multi-talent where safe and reliable bonding is required

Thanks to the new silane bonding agent ARS, BeautiBond Xtreme bonds to enamel, dentine and various indirect restorative materials (composite, precious and non-precious alloys, glass-ceramics, alumina and zirconia). An additional primer is not

The multi-talent where safe and reliable bonding is required

Sealing larger pits and fissures

Anterior and limited posterior restorations

Liner for class I and II restorations

Sealing larger pits and fissures

Repair of composite restorations and ceramic veneers

Splinting of mobile teeth

Blocking out of undercuts

Splinting of mobile teeth

Blocking out of undercuts

Characteristics - Advantages

Excellent handling characteristics

Excellent sculptability

Characteristics - Advantages

Excellent sculptability

Low shrinkage-Very good marginal adaptation

Excellent handling characteristics

Extremely high polishability

Excellent sculptability

Extremely high polishability

High resistance to wear

Repair of composite restorations and ceramic veneers

High resistance to wear

Superior aesthetics

With BeautiBond Xtreme, SHOFU continues to evolve the latest generation of a true universal adhesive. By introducing a new type of Acid Resistant Silane coupling agent (ARS), a chemical composition with excellent stability has been designed to allow the surface treatment of a wide range of adherends with an easy-to-use system. BeautiBond Xtreme is a light-curing, self-etching all-in-one universal adhesive for bonding direct and indirect restorations. It has “inherited” the excellent properties of the former BeautiBond Universal bonding system, such as bond strength, low technique sensitivity, convenient application and simplified one-step application procedure.

Low shrinkage-Very good marginal adaptation

Superior aesthetics

Strongly radiopaque

Extremely high polishability

High resistance to wear

Strongly radiopaque

www.dmpdental.com

Superior aesthetics

www.dmpdental.com

Strongly radiopaque

www.voco.dental

www.shofu.com/global

The multi-talent where safe and reliable

Orodeka Dolphin-ED1 Intelligent Brushless Endo

Motor with Apex Locator

Precision Redefined: Empowering Endodontics with Cutting-Edge Technology

Advanced Motor Technology

Delivers high-torque, ultra-smooth performance with a precision control system for precise endodontic procedures with minimal noise.

Precision Control System

Real-time feedback delivers accurate angle control and customizable torque, adapting to complex clinical needs.

Versatile Operating Modes

Intelligent modes enable seamless switching, ensuring the precision system controls efficiency across diverse endodontic protocols.

Wireless Ergonomic Design

Cordless handpiece reduces fatigue, enhancing comfort and maneuverability, which is critical for precision control during intricate treatments.

360° Rotational Flexibility

Contra-angle handpiece with 360° rotation and multi-angle display ensures precise control from any position, supported by the precision control system.

Integrated Apex Locator

Built-in apex locator provides real-time, accurate length detection, streamlining shaping and measuring with reliable precision control.

Streamlined Structural Engineering

The precision control system simplifies procedures by removing the need for external file clips or sleeves, ultimately lowering consumable costs.

Shining 3D Celebrates 20 Years of Research and Development of High Accuracy Vision Technology for the Next-Generation Digital Dental Solutions

Cologne, Germany-March 25, 2025

Shining 3D, a pioneer in high-precision 3D digital technology, marks its 20th anniversary with the launch of four innovative digital dental solutions: the revolutionary all-in-one digital dental solution - e-Motion Workstation, Aoralscan Elite Wireless intraoral scanner, AccuFab-F1 3D printer, and FabCure N2 nitrogen curing box. With a relentless commitment to innovation,user-centricdevelopment, and comprehensive end-to-end workflows, these new solutions further solidify Shining 3D’s position at the forefront of digital dentistry.

Two Decades of Pioneering 3D Technology

Since its founding in 2004, Shining 3D has continuously pushed the boundaries of digital technology, investing over 20% of its annual revenue into Research and Development. This commitment has led to the independent development of core 3D technologies, resulting in 182 authorized patents, 416 pending, and 182 software copyrights. With its Global presence, Shining 3D remains a trusted leader in the digital dental industry.

End-to-End Digital Dentistry Solutions

Shining 3D’s success is driven by a deep understanding of user needs, ensuring its technology aligns with the evolving demands of dental professionals. The company offers a fully integrated digital dental workflow, covering scanning, designing, and printing with highprecision intraoral and desktop scanners, advanced 3D printers and printing materials, post-processing solutions, and cloud-based services. This holistic approach enhances efficiency, precision, and reliability for dental professionals worldwide.

Introducing the Latest Innovations

e-Motion Workstation: A Complete Digital Dentistry Solution

The e-Motion Workstation is the world’s first all-inone digital dental solution, seamlessly integrating an intraoral scanner, face scanner, intraoral photogrammetry, and advanced mandibular movement tracking system. This innovative system captures multiple types of data within a single device, creating a dynamic virtual patient for more precise diagnosis and treatment planning.

Key features of the e-Motion Workstation include:

• Mandibular Movement Tracking: Captures realtime jaw movements to improve occlusion analysis and prosthetic design.

• Facial Scanner: Enhances aesthetic treatment planning with highly detailed facial data.

• Intraoral Scanner: Captures the digital impression of teeth and the supporting structures.

• Intraoral Photogrammetry (IPG): Provides exceptional accuracy, particularly for edentulous and implant cases.

• Multi-Modal Data Integration: Aligns intraoral, facial, mandibular movement, and CBCT data in one coordinate system for a comprehensive digital workflow.

By optimizing complex protocols, the e-Motion Workstation significantly improves efficiency and treatment predictability in complicated cases such as edentulous implant restorations and occlusal rehabilitation. With precise jaw relationship determination and implant positioning, dental professionals can achieve superior prosthetic accuracy, improved patient comfort, and longterm stability of restorations.

Aoralscan Elite Wireless: Next-Level Intraoral Scanning

Weighing just 194 grams, the Aoralscan Elite Wireless is the world’s lightest wireless intraoral scanner that provides outstanding flexibility and movement freedom. Powered by Wi-Fi 6 technology, it delivers stable and high-speed data transfer, while its wireless charging cradle ensures effortless operation. Its innovative design allows seamless use across multiple dental chairs, optimizing workflow efficiency. With Intraoral Photogrammetry (IPG) technology, the Aoralscan Elite Wireless delivers exceptional scanning accuracy, making it ideal for All-on-X procedures and full-arch restorations.

Watch official product video: https://youtu.be/06X4KS1mOnc

www.shining3ddental.com/solution/e-motion/

www.shining3ddental.com/solution/aoralscanelite-wireless/

AccuFab-F1 3D Printer: High-Speed Precision Printing

Designed for stability and speed, the AccuFab-F1 3D printer features dual heating modules for both the print platform and resin tank, ensuring optimal material performance. With a maximum light intensity of 18 mW/cm², it excels in printing highceramic filler resins and high-viscosity materials with outstanding accuracy. Its modular design simplifies maintenance, while the quick-release resin tank film streamlines workflow efficiency for both clinics and labs.

Watch official product video: https://youtu. be/9Id-5AMVhG8

Read more: www.shining3ddental.com/solution/

N2 Nitrogen Curing Box: Advanced Post-Processing

The FabCure N2 nitrogen curing box is an opensystem device that optimizes post-processing for dental restorations, enhancing physical properties and aesthetics. Its nitrogen curing technology ensures consistent, high-quality results, improving both durability and color stability of printed dental parts. As a crucial addition to the digital dental workflow, the FabCure N2 enables stronger, more predictable restorations.

Read more: www.shining3ddental.com/solution/ fabcure-n2/

About Shining 3D

Founded in 2004, Shining 3D has spent two decades developing high-accuracy 3D digital solutions for industries such as healthcare, engineering, and manufacturing. Leveraging this expertise, its dedicated sub-brand, Shining 3D Dental, applies these advanced technologies to transform digital dentistry. With a strong foundation in precision technology, continuous R&D investment, and user-driven innovation, Shining 3D Dental provides comprehensive, end-to-end workflows that empower dental professionals worldwide to achieve greater accuracy, efficiency, and clinical success.

Contact: Shining 3D Dental

Email: marketing@shining3d.com

For more information on Shining 3D’s digital dental solutions, visit shining3ddental.com.

FabCure

RTD: innovation based on experience.

Fiber posts are frequently used in endodontics for extensive coronal substance defects when the crown is no longer sufficiently supported, particularly prior to restoration with an indirect restoration. The influence of these posts on clinical success and their survival rate was investigated by Alenezi et.al. in their recently published meta-analysis [1]. In this research, 17 different clinical studies with 7,330 endodontically treated teeth in 7,278 patients were analyzed. The results showed a significantly higher survival rate for teeth restored with posts. The authors concluded that post placement can improve the clinical performance and survival probability of endodontically treated teeth.

RTD DT Light Post

RTD (Recherches Techniques Dentaires, a Dentsply Sirona company based in France) is an innovator in fiber posts field. Founded in 1968, RTD was one of the very first companies worldwide to invent and patent a fiber post. RTD has continued to innovate fiber posts ever since. Other fiber posts in the market can have an uneven distribution of fibers or even air bubbles trapped in the resin; RTD has optimized their products to eliminate those potential weak spots for the post and thus for the coronal restoration (Fig. 1).

The DT Light Post with its typical double taper is RTD’s most well-known product. Its shape contributes to a better stress distribution compared to single taper or parallel posts and follows the natural geometry of the root canal, requiring less dentin removal, especially in the apical third where unnecessary dentin removal can increase the risk of fracture.

[1] ALENEZI, Ali A., et al. Clinical behavior and survival of endodontically treated teeth with or without post placement: a systematic review and meta-analysis. Journal of Oral Science, 2024, S. 24-0098.

Competitor product with uneven fiber distribution and air bubbles.

RTD post with homogeneous distribution of fibers and no air bubbles.

FDI World Dental Congress 2025: The Global Dental Community Gathers in Shanghai to Shape the Future of Oral Health

After two decades, the FDI World Dental Congress (WDC) returns to mainland China, with the global dental community gathering in Shanghai. From September 9 to 12, 2025, the highly anticipated event will take place at the National Exhibition and Convention Center (Shanghai), hosting one of the largest exhibitions in its history and coinciding with China’s booming dental market. As 191 national and regional dental associations converge in the city, Shanghai will become the center of global dentistry. This prestigious event, a collaboration between FDI World Dental Federation (FDI), the Chinese Stomatological Association, and Reed Sinopharm Exhibitions, will bring together over 700 dental companies and attract more than 35,000 visitors. Known as the Olympics of dentistry, FDI WDC 2025 will provide a unique platform for sharing insights, innovations, and best practices, shaping the future of oral health.

China’s Booming Dental Market

China’s dental market is experiencing rapid growth, driven by rising living standards and increased awareness of oral health. This has fueled demand for high-quality dental products and services. Its size grew from 92.3 billion yuan in 2015 to 261.07 billion yuan in 2023. Currently accounting for 6% of the global market, China’s dental industry still holds ample room for expansion. With over 120,000 dental institutions and growing consumer demand, especially among younger generations, the market offers vast opportunities for both domestic and international players.

Favourable Policies for International Dental Brands

While market potential provides the “pull,” China’s policy reforms actively create the “push” for international engagement. The government has rolled out a suite of incentives to attract foreign dental technology providers. In the Hainan Free Trade Port, medical institutions can import registered or specially approved devices with zero tariffs and VAT. In the Shanghai Free Trade

Zone, the process of applying Chinese labeling can be completed within the zone, streamlining compliance procedures. Additionally, local subsidies in regions such as Beijing and Sichuan further create a supportive environment, enabling international brands to establish and grow in China’s expanding oral healthcare market.

Tech-driven Dental Transformation

Complementing policy support, China’s dental sector is undergoing a tech-driven metamorphosis—a transformation poised to dominate center stage at FDI WDC 2025. The exhibition’s “IntelliDent Stage” will spotlight how innovations like 3D-printed implants and AIassisted diagnostics are improving treatment outcomes and accessibility. For example, AIpowered teledentistry platforms enable remote diagnosis between cities like Shanghai and Xinjiang, bridging urban-rural care divides. This fusion of policy empowerment and technological leapfrogging cements China’s dual role as a massive consumer and cutting-edge innovator inglobal dental tech.

FDI WDC 2025: A Premier Platform for Global Collaboration

FDI WDC 2025 is expected to be the largest exhibition and congress in FDI’s history. It’s a four-day exhibition and scientific programme, covering a 60,000m2 area. It will host over 191 dental associations, attract more than 35,000 visitors, and welcome over 700 companies— including industry leaders like Haleon, Straumann, Solventum, Ivoclar, Bondent, and Zumax. With 300+ speakers, the congress will be a knowledgesharing and networking bonanza. We also offer exclusive social activities, including the Gala Dinner and Shanghai Night, providing a perfect platform for global dental professionals to connect.

In our exhibition hall, we offer matchmaking and guided tour services to help you quickly find what you need among a wide range of products. We also prioritize innovation through the IntelliDent

Stage and exclusive new product launches in the exhibition hall. These activities and services are designed to enhance your experience and ensure you get the most out of your visit. Language should never be a barrier. We offer English translation and consultation services to ensure smooth communication for all our international guests.

Shanghai: Tradition, Innovation, and Dental Excellence

It’s the perfect time to visit Shanghai for the dental industry professionals. Shanghai, the host city of the FDI WDC 2025, is a metropolis that blends tradition with innovation. As FDI returns to mainland China after nearly two decades, Shanghai has become the centre of global dentistry. This dynamic city offers a unique cultural atmosphere, delicious local cuisine, and stunning landscapes. While attending the congress, you can take

advantage of China’s favourable visa policies, such as the 240-Hour Transit Visa Exemption, to fully experience the charm of this city. Stroll through the tranquil Yu Garden, marvel at the futuristic skyscrapers along the Bund, and savour the beloved Shanghai cuisine, including the famous soup dumplings. This international business hub also offers a glimpse into traditional Chinese culture, creating a captivating contrast. Make your journey to Shanghai for the FDI WDC 2025 both professionally rewarding and personally enriching, as you explore all that this multifaceted city has to offer

For more details, visit www.world-dental-congress.org.

See you in Shanghai!

Join us for an unforgettable learning and networking experience in the vibrant city of Shanghai!

EARLY BIRD REGISTRATION IS NOW OPEN

Shaping the Future of Oral Health: A sneak peek at FDI WDC25 in Shanghai

The 2025 FDI World Dental Congress (FDIWDC25) will be held in China and is expected to be a groundbreaking event in the field of dentistry. Set against the vibrant backdrop of Shanghai, the congress promises to be one of the largest in its history, featuring over 700 companies and more than 35,000 dental professionals. In this interview, Prof. Guo Chuanbin, president of the Chinese Stomatological Association, which will be co-hosting the World Dental Congress in 2025, shares some insights into the exciting opportunities that FDIWDC25 will offer for dental professionals to engage with cutting-edge technologies and discusses the significant impact of artificial intelligence (AI) and 3D printing on dental practices worldwide.

Prof. Chuanbin, what can participants expect from FDIWDC2025?

FDIWDC25 is set to be one of the largest exhibitions in the history of the World Dental Congress. Spanning an impressive 60,000 m2 of hall space, the exhibition will host over 700 companies from around the world, including leading global brands and hundreds of Chinese manufacturers and technology providers specialising in dental equipment and solutions.

Prof. Guo Chuanbin, president of the Chinese Stomatological Association

FDIWDC25 will offer an unparalleled opportunity for dental professionals to engage with the Chinese market, which is fuelled by a booming economy and an expanding middle class. This event will also be invaluable for international attendees to explore a wealth of technologies and digital innovations from competitive local suppliers. More than 35,000 professionals are expected to attend, and the exhibition will be a vibrant hub for networking, learning and discovering the latest advancements in dental care.

How will FDIWDC25 address the impact of new technologies in dentistry?

With the rapid development of science and technology, a growing number of AI applications are transforming dental diagnosis and treatment. Innovations such as implant robots, intelligent navigation systems, virtual simulation teaching and digital mandibular movement simulation are becoming increasingly integral to modern dental practices.

Alongside these advancements, the rise of CAD/CAM and 3D-printing technologies has led to the widespread use of new materials, reshaping the future of oral health. This is why we have chosen “Shaping the Future of Oral Health” as the theme for FDIWDC25.

The congress will feature a series of lectures focused on these cutting-edge technologies and materials. Additionally, an AI-enabled dentistry event area will be set up in the exhibition hall, providing a platform for showcasing and exchanging ideas on these innovations. Over four days, attendees will have the opportunity to hear from national and international experts in a total of 100 hours of engaging lectures.

How will the event’s location help create a unique experience for visitors?

Shanghai is one of the most vibrant and cosmopolitan cities in the world today. When exploring Shanghai in 2025, visitors will discover that it is much more than just an international business hub. The city is a showcase of the latest in style and fashion, offering the most exquisite tastes in lifestyle, unique dining experiences and stunning entertainment options. We are confident that the participants’

time in Shanghai will be unforgettable and full of surprises and will leave them longing to return for more.

Known as Hu, Shanghai is a multicultural metropolis that seamlessly blends modernity with traditional Chinese elements. You can explore ancient temples and gardens alongside bustling markets and futuristic shopping malls. You can feel the pulse of history in Yu Garden and the City God Temple, enjoy the breathtaking night views along the Bund and marvel at the skyscraper skyline in Lujiazui. Shanghai is a popular travel destination that captures the essence of China’s rapid development, offering visitors a unique opportunity to experience the country’s dynamic growth.

Shaping

GrandioSO Unlimited from VOCO – 4mm universal composite in five cluster shades

While aesthetic universal composites have to be layered and polymerised in 2 mm increments, which is complicated, bulk-fill composites offer the advantage of application into the cavity in increments of up to 4 mm. However, due to their insufficient aesthetics, bulk-fill composites are normally only used for the posterior region. VOCO has now resolved this issue with the new universal composite GrandioSO Unlimited. The aesthetic material can be applied into the cavity in 4 mm increments and is indicated both for the anterior and posterior regions. As a result, dental practices now only need one packable universal composite for their day-today work! With this extension to the GrandioSO product family, tried and tested for more than a decade, VOCO is setting a new standard for universal composites.

The universal composite without layers thanks to visual transformation technology (VTT)

In an uncured state, the material is so translucent that it enables a reliable depth of

cure of 4 mm. During light polymerisation, a visual transformation (visual transformation technology) takes place, whereby the translucency of the material visibly decreases and the desired shade is achieved at a level of opacity that matches the natural tooth. The result is an aesthetic material for the anterior and posterior regions, which can be applied into the cavity in layers of 4 mm thanks to this special technology.

Simplified shade system thanks to cluster shades

In addition to universal use and the usual simple handling, GrandioSO Unlimited offers further attractive advantages: thanks to the simplified shade system, the 5 cluster shades are able to cover all 16 classic VITA shades. The optimised light scattering leads to a targeted and intensified chameleon effect, ensuring perfect adaptation of the restorative material to the natural tooth shade. As a result, dental practices are ideally equipped for their day-today work with just five shades and can reduce their inventories. The cluster shades A1-A3.5 that are frequently used require a polymerisation time of just 10 seconds. With an impressive filler content of 91%, GrandioSO Unlimited is setting new standards in the high-performance composites class when it comes to stability and strength. The low volume shrinkage of 1.44% and the resulting low shrinkage stress also reduce the risk of poor marginal integrity and marginal discolouration, and contribute to topquality restorations.

GrandioSO Unlimited is compatible with all conventional bonding agents and is available in both syringes and caps.

www.voco.dental

SES President’s Message

It’s with great pleasure to welcome you to the 13th Saudi Endodontic Society Annual Meeting which will be held in Riyadh, Saudi Arabia between the period of 28th of April and 2nd of May 2025. This version of the conference will cover the more advanced and debatable topics in Endodontics by expert local and international speakers. There will be 14 lectures and 9 workshops covering all the topics needed by general practitioners, Endodontic residents and specialists. There will be a special session for Young Graduates to present their unique cases to the expert audience and to show their capabilities and skills, beside that there will be a scientific poster competition for the best 3 posters.

Alongside this event is an exhibition with selected exhibitors showing their updated and advanced products with special offers to our members. We look forward to seeing and welcoming you at the conference.

Dean Prof elisabetta Cotti, at the University of Cagliari with Prof. abDUlaziz abU Melha, PresiDent of the ses

l to r. Prof abDUlaziz abUMelha, Prof saaD alnazhan, Mrs teraUChi, Prof ayMan ManDorah, Dr saMir althoMairy

l to r. Profs abDUlaziz abU Melha, feDeriCo fosChi, zUhair natto giving Prof feDeriCo a troPhy for Clarifying CUrrent irrigation strategies to eraDiCate the enDoDontiC MiCrobiota

Dr. obaDa aUstah leCtUring aboUt ConteMPorary aPProaChes to vital PUlP theraPy

Dean Prof elisabetta Cotti, at the University of Cagliari, leCtUre entitleD aPiCal PerioDontitis anD the host

Prof saaD al-nazhan granteD the honorary MeMbershiP by Prof abDUlaziz abU Melha, PresiDent of the saUDi enDoDontiC soCiety, in reCognition of his oUtstanDing lifelong aChieveMents

Dr. MohaMMeD al-harbi leCtUre aboUt non-sUrgiCal retreatMent, giving teeth a seConD ChanCe

Prof feDeriCo fosChi, heaD of enDoDontiCs at UCl eastMan Dental institUte

Prof

Presentation on ManageMent of leDge forMation anD fraCtUreD instrUMents

Prof shanon Patel Delivers CUtting-eDge inforMation on external CerviCal resorPtion

yoshi teraUChi, elisabetta Cotti, PaUla villa, Mrs teraUChi, feDeriCo fosChi at the gala Dinner

yoshi teraUChi

Prof feDeriCo reCeiving a troPhy for Clarifying CUrrent irrigation strategies to eraDiCate the enDoDontiC MiCrobiota

l to r. Drs tony Dib, elisabetta Cotti, abDUlaziz bakhsh DUring the gala Dinner

fkg booth at the saUDi enDo soCiety

l. to r. Drs. ayMan ManDorah, elisabetta Cotti, sUlaiMan al haDlaq, ali alaqla

l to r. Drs ebraheeM elgwizani, khaleD al foUzan, khaleD MerDaD, ziaD allaheM, abDallah alsharif, tony Dib

l to r. Dr tony Dib, Prof abDUlaziz abU Melha, Prof saaD al nazhan

l. to r. Drs. ayMan ManDorah, saUD orfali, JoMana alsenan

Dr. JoMana alsenan giving a Presentation on the evolUtion of ai in enDoDontiCs

nsk booth

Photo froM the exhibition

l to r. Profs abDUlaziz abU Melha, PresiDent of the saUDi enDoDontiC soCiety, saaD al nazhan, ayMan ManDorah

Dr abDelaziz bakhsh, offering the CertifiCate to Dr. MohaMeD alobaiD

Photo froM the exhibition

JDS 2025 – A Record-Breaking Success!

Over 12,000 Visitors Joined Us at the 5th Jordanian Dental Show

The 5th edition of the Jordanian Dental Show (JDS 2025), held from May 13 to 15, 2025, at the Jordan Center for International Exhibitions – Macca Mall in Amman, exceeded all expectations. With more than 12,000 attendees, the atmosphere was vibrant, and the energy throughout the exhibition was truly exceptional.

Organized by JOMESRA – the Jordanian Association for Medical and Scientific Materials Traders – JDS and under the Leadership of Mr. Ayman AbulHawa and Eng. Ziad Qwaider, it has become one of the region’s most anticipated dental trade events. This year’s show gathered key players from across the dental industry, including clinicians, manufacturers, suppliers, distributors, and academics.

Exhibition Highlights

JDS 2025 featured an impressive lineup of exhibitors showcasing the latest advancements in dental technology and products, including cutting-edge equipment, materials, CAD/CAM systems, oral hygiene solutions, and innovations in digital dentistry. Attendees had the chance to experience live product demonstrations, attend seminars, and explore valuable business and networking opportunities.

Extensive Media Coverage

As the official media partner, Dental News played a key role in covering the event, providing regional visibility and supporting exhibitors and participants through comprehensive media outreach.

A Memorable Experience

Thanks to the enthusiastic participation of the dental community, this edition of JDS delivered a unique and unforgettable experience. The exceptional turnout and engagement reflected the growing importance of this event in the MENA region.

Looking Ahead

With the success of this year’s show, the promise for the next edition is clear: even bigger, even better.

Picture from the Audience during the oPening ceremony

his excellency senAtor toufic hAj KhAlil President of AmmAn chAmber of commerce And member of the jordAniAn senAte

1st left, dr mohAmed fAyAd gc regionAl mAnAger At the bAsAmAt booth

Al-ghAd medicAl suPPlies booth

h e senAtor toufic hAj KhAlil At the nsK booth

officiAl ribbon cutting At the oPening of the commerciAl exhibition

l to r Prof. AlAddin Al-QudAh, Prof. AshrAf shAweesh, And deAn rolA hAbAshneh At just university

mr. AymAn Abou Al hAwA, President of jordAniAn dentAl comPAnies AlliAnce, Addressing the Audience during the oPening ceremony

Plus dentAl suPPlies booth with mrs cAmillA vesentini from rd Printing And dr ghAssAn nAsser regionAl mAnAger of exocAd

nsK booth

mr tAKA horiguchi, regionAl mAnAger, At the belmont booth during the jordAn dentAl show

shining 3d booth

showcAsing the shining 3d booth Alongside mrs winnie wong, internAtionAl sAles mAnAger

l to r dr tony dib, Prof. AshrAf Abou KArAKi, vice President of the university of jordAn in AmmAn

shofu booth At the jds 2025

the lAtest AmAnn girrbAch milling mAchine, mAtron core, on disPlAy At the jds

witnessing innovAtion live demonstrAtion At the shofu booth

Prof tAher AlomAri At the internAtionAl dentAl mAteriAls booth

ibn rushd dentAl suPPlies

strAumAnn teAm Around mr rAid shehAdeh, regionAl mAnAger

Expodental Meeting 2025 A triumph of innovation and constructive dialogue for the future of dentistry

15-16-17 May 2025

Rimini - Italy

Milan, May 20, 2025 – The 2025 edition of Expodental Meeting concluded with great success, reinforcing its undisputed leadership role in the Italian and international dental sector. The event saw a significant turnout of professionals, companies, and stakeholders, showcasing a complete and cuttingedge overview of the latest innovations in technologies, materials, and services.

The exhibition hosted 400 exhibitors, marking a notable increase compared to the previous year. A strong international presence was confirmed, with significant participation from Germany and China, and a total of 19 countries represented. A sign of dynamism is the increase in new exhibitors, from 82 to 90, and the 10% increase in net exhibition space. The number of visitors also recorded a 5% increase, with 21,000 attendees over the three days.

On Friday, May 16, the event had the honor

of hosting the Undersecretary of State for Health, Hon. Dr. Marcello Gemmato, who visited the exhibition area with considerable interest, where he was able to view the innovations and high technological content of Italian dental products. He also participated in the presentation of the economic analysis of the dental sector, prepared by ANDI. His presence testified to the great attention of the institutions towards the dental sector and the crucial importance of a constant dialogue between politics and professionals to face the challenges and seize future opportunities.

Also of great resonance was the round table on Saturday morning: “Dentistry and Orthodontics, between digitalization and multidisciplinarity: a present/future between Clinic, Ethics, Economics and dynamic interactive Technology. Is the team ready for the challenges of Change?”. A lively moment of discussion on the evolution of the sector.

The round table represented a key event, presented by Fabio Velotti (President of UNIDI) and Pietro di Michele (representative of SUSO), with an introduction by Antonio Pelliccia and the expert moderation of journalists Margherita De Bac and Giuliano Giubilei. The event, strongly

Expodental Meeting 2025

desired by UNIDI and SUSO (Italian Union of Orthodontic Specialties), brought together the top representatives of the Italian dental scene. Present were the President of CAO (Commission of the Register of Dentists) Andrea Senna, the Councilor of CNEL (National Council of Economy and Labor) Francesco Riva, the President of ANDI (National Association of Italian Dentists) Carlo Ghirlanda, the President of AIO (Italian Dental Association) Gerhard Seeberger, the President of CDUO (College of University Professors of Stomatological Disciplines) Lorenzo Lo Muzio, the President of SUSO Fabrizio Sanna, and representatives of the main scientific societies and sector associations SIDO, SIOF, AIOP, SIDP, SIPMO, U.N.I.D., ATASIO, AIDI, SISIO, IDEA, AIASO, FNO -TSRM – PSTRP, ANTLO, CNA-SNO, ORTEC, the representatives of dental producers CEFLA, ADVAN, LEONE, ALIGN TECHNOLOGY, CARESTREAM DENTAL and Federconsumatori.

The various thematic areas within the exhibition were a great success, offering visitors a complete and up-to-date exhibition itinerary on the latest trends and innovations. The high level of interest and participation in the scientific sessions, practical workshops,

and “live on stage” events (an absolute novelty of 2025) confirmed the vitality and value that distinguish the dental community.

Of particular note was the presence of the foreign delegation, a large group of 60 dealers from Albania, Angola, Saudi Arabia, Azerbaijan, Bosnia Herzegovina, Brazil, Chile, Colombia, Croatia, Ecuador, United Arab Emirates, Ethiopia, Ghana, Kosovo, Malaysia, Pakistan, Peru, Slovenia, Thailand, Uganda, Uruguay, who came to Rimini thanks to the joint efforts of ICE Agency and UNIDI.

“Expodental Meeting 2025 concludes its time at the Rimini exhibition center with the solid awareness of having offered a platform for networking and professional development of the highest level,” declared Fabio Velotti, President of UNIDI. “I would like to express my sincere thanks to all the participants, exhibitors, speakers, partners, scientific societies, and institutions that contributed to the success of this edition, and I invite everyone to meet again from May 14 to 16, 2026, to continue building together the bright future of dentistry.”

For information: Susi Marotti | s.marotti@unidi.it |+39 340 7496695

Lebanese Orthodontic Society

May 30 & 31, 2025

Mövenpick Hotel & Resorts, Beirut, Lebanon

Dr. Samer rifai, PreSiDent of

Prof roy Sabri PreSentation about the orthoDonticSurgicaL interface in the eSthetic rehabiLitation of face

Dr mauricio gonzaLez baLut, Dr ramzi haDDaD

Dr fiDeLe nabout DeLivering the certificate to Prof roy Sabri

Dr. roLa akL DeLivering the certificate to Pr. kee-Joon Lee

Prof ronaLD youneS, PreSiDent of the LebaneSe DentaL Society aDDreSSing the auDience During the oPening ceremony

Lebanese Orthodontic Society

L. to r. Prof. ronaLD youneS, Dr. amine zoghbi, Pr. Lina meDawar

L. to r. DrS antoine kfouri, chriStian kfouri, feLiPe rizk

Pr kee-Joon Lee from yonSei univerSity Lecturing about biomimetic aPProach for the comPLicateD imPaction

L. to r. DrS maria haiDar, chimene cheLaLa, roy Sabri

L. to r. DrS ramzi haDDaD, faDi DahbouL, naDim abouJaouDeh

L. to r. Dean mageD fahmi, Dr faDi DahbouL, Dr. Samer rifai, Dr haSan DahbouL

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