Orthodontic bracket positioning system for lingual orthodontic treatment

摘要

An orthodontic bracket positioning system comprises a plate having a bridge. The plate is defined by a first side portion and a second side portion to form a hollow therebetween. The first and second side portions are connected to each other by the bridge and an outer edge line of the plate contains therein the bridge, the first and second side portions. First and second connectors each have a front end and a rear end to become rotatably engaged to each other between the front and rear ends thereof. The first and second connector front ends are rotatably connected to the first and second side portions An actuator is engaged to said each rear end of the first and second connectors to control a relative rotation of the first and second connectors so as to subsequently either widen or narrow the hollow.