Trapezoidal Expansion Screw
৳ 0
Material: Stainless steel
- with cone-shaped expansion screw holder
- skeleton design
- holes in body of screws for better retention in acrylic
- built-in stops prevent screws from coming apart
With expansion screw key straight, small – standard.
Indication: for transverse expansion of narrow maxillae and as activation screw for bimaxillary functional gnatho-orthopedic appliances
| Directional arrow | Plastic, neon-yellow |
| Maximum expansion | 7.5 mm |
| 4 x 1/4 turn | 0.8 mm |












