| 摘要 |
The present invention relates to an arch expanding device using a mini screw. Provided in the present invention is an arch expanding device using a mini screw, which is characterized by comprising a pair of bodies, an expanding screw controlling distance between a pair of bodies; a guide rail having both sides inserted into a pair of bodies, and guiding movement of the bodies; a key hole integrally formed with the expanding screw; a screw insertion part integrally formed with the bodies, and including a screw insertion groove guiding a microscrew implanted on the upper jaw; an arm having one end fixed on the bodies and having the other end extended toward the teeth; and a fixing part integrally formed with the arm and fixed on the fixing part. |
