Expansion Screws Trapezoidal Screws •
Skeletal design and shape to maximize anterior placement in either arch 17-115-01
Size of Housing
14.3mm
Maximum Expansion 1/4 Turn
5mm 0.8mm
Fan Screw •
Two-piece fan or hinge expansion screw for asymmetrical expansion of the maxilla 17-115-06
Size of Housing
12mm
Maximum Expansion 1/4 Turn
6mm 0.8mm
Upper Sagittal •
Sectional expansion screw with “U” shape guide pin (straight) for distal movement in either arch 17-115-17
17-115-16
17-109-00
10mm
13mm
13mm
Size of Housing Maximum Expansion 1/4 Turn
3mm
5mm
5mm
0.35mm
0.35mm
0.35mm
Mini
Medium
Standard
Body Style
Lower Sagittal •
Sectional expansion screw with “U” shape guide pin (angulated) for contoured placement in the acrylic
•
For distal movement in either arch 17-115-18
Size of Housing Maximum Expansion 1/4 Turn Body Style
240
800.645.5530 | www.dentsplysirona.com
13.5mm 5mm 0.35mm Mini
LAB ESSENTIALS