Anchor screw for orthodontic treatments

摘要

The invention discloses an anchor screw (10) to the palatal vault for orthodontic correction treatments comprising: a lower threaded portion (1) adapted to be screwed to the bone; a substantially cylindrical central portion (2) protruding from the bone and the gum adapted to allow anchorage of traction and/or thrust orthodontic devices; an upper portion (3) provided with movement means (4) to screw and unscrew the screw. The central portion (2) has a reduced diameter zone (6) in comparison with the diameter of the cylindrical portion and at least a hole (5) for the passage of orthodontic devices such as round and/or rectangular/square wires.