CONTINUING EDUCATION
Continuing Education Quiz Applications of 3D printing in orthodontics LEE
1. The extent to which an orthodontist incorporates 3D printing into their practice naturally depends on factors such as software as well as ___________. a. printing technology b. available human resources c. treatment philosophy d. all of the above
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2. Choosing the right printer has an enormous financial and clinical impact on the office. The following should be considered: _________. a. Cost and time efficiency b. Accuracy c. Print volume for practice d. all of the above
AGD Code: 370
n To receive credit: Go online to https://orthopracticeus.com/continuingeducation/, click on the article, then click on the take quiz button, and enter your test answers. Date Published: September 28, 2023 Expiration Date: September 28, 2026
2 CE CREDITS
3. One thing to note is that although different types of printing technologies do influence the accuracy of 3D-printed models, it does not make a significant change in clinical outcomes — in other words, you can use any known type of 3D printer and trust that they will render clinically acceptable models. a. True b. False
7. Those who own smaller practices or have longer turnover time for resin use should pay attention to _______. a. the expiration date of the resin b. the shelf life for resin c. the size of the in-office lab d. both a and b
4. Laser-stereolithography (SLA) and digital light processing (DLP) belong to the ________ category, which involves using liquid resin and a curing light to solidify the resin. a. vat polymerization printer b. multiple-tray printing c. FixR printing d. BioStar processing
8. When it comes to determining the appropriate layer height for a clinically acceptable printed model, research consistently demonstrates that a ________ layer is superior to 25-μm or 50-μm layers. a. 60-μm b. 70-μm c. 100-μm d. 125-μm
5. Faster than laser-SLA, DLP’s speed comes from the fact that the digital light projector _________. a. increases the stair-stepping effect b. projects the given cross-sectional area all at once c. is not selective d. has a low pixel density
9. (Regarding trim design with aligners) Instead of utilizing a scalloped design, the author trims most aligners to a height of ______ above the gingiva to prioritize patient comfort. a. 0.3 mm b. 0.5 mm c. 0.75 mm d. 0.80 mm
6. Servicing cost and period are commonly overlooked, but keep in mind that most printers will require regular maintenance and may need occasional emergency servicing. Therefore, high-volume practices ________. a. will benefit from owning more than one working printer b. should not consider getting a 3D printer c. should only get a model that does not require regular maintenance d. should only get a model with advanced DLP chips
10. (Regarding trim design with aligners) For patients who require noncompliance or have challenging tooth movements, we increase the trim height to _________. a. 0.65 mm b. 0.75 mm c. 0.85 mm d. 0.95 mm
To provide feedback on CE, please email us at education@medmarkmedia.com Legal disclaimer: Course expires 3 years from date of publication. The CE provider uses reasonable care in selecting and providing accurate content. The CE provider, however, does not independently verify the content or materials. Any opinions expressed in the materials are those of the author and not the CE provider. The instructional materials are intended to supplement, but are not a substitute for, the knowledge, skills, expertise and judgement of a trained healthcare professional.
Orthodontic Practice US
22 Volume 14 Number 3