Trapezoidal expansion screw

600-310-30

10 pieces

  • 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, standard (straight, small).
Indication: for transverse expansion of narrow maxillae and as activation screw for bimaxillary functional gnatho-orthopedic appliances