Active appliances with special screws

Special screw for single derotation.

Special screw - Stainer.

Special screw Beutelspacher enables transverse expansion and protrusive movement of the front teeth in lower jaw.

Special screw Bertoni - three dimensional expansion screw.

Special screw for the closure of diastemas and space closure in lateral region (single movement of the teeth).

Annanced expansion in specific areas.