Bracket positioning unit for orthodontics

The utility model relates to a bracket positioning unit for orthodontic treatment, which comprises a bracket, an arc wire, a positioning unit, a positioning unit and a control unit, wherein the front side of the bracket is provided with an arch wire; the first positioning assembly comprises four shells located on the front side of the bracket, the rear sides of the shells are fixedly connected with the bracket, grooves are formed in the shells, springs are fixedly connected to inner cavities of the grooves, and wedge-shaped blocks are fixedly connected to one ends of the springs. The positioning device has the advantage of good positioning effect, in the actual use process, the positioning assembly I is used for positioning the arch wire at a time, in order to prevent the arch wire from being far away from the bracket, medical staff can move the arch wire left and right, so that the arch wire is adjusted to a proper position, subsequent operation is facilitated, and the positioning effect is good. After the p