恒牙反　是临床常见的错　畸形，妨碍口颌系统的功能，对面形美观影响较大，矫治早者对面形骨骼均将有较大改善。若错过矫治时机，将来就不得不依靠外科手术才能矫正。因此，恒牙反　的治疗有重要意义。近年来，我科在临床工作中对恒牙反　用固定矫治器加后　垫矫治收到理想效 Permanent teeth anti-clinical common malformations, obstruct the function of the oral jaw system, a greater impact on the facial appearance, orthodontic treatment of early shaped bone will have a greater improvement. If you miss the timing of correction, in the future will have to rely on surgery to correct. Therefore, the treatment of permanent teeth anti-significant. In recent years, our department in the clinical work on the permanent denture fixed appliance after the addition of pad correction received satisfactory results