上颌尖牙与侧切牙易位的系列矫治

目的探索上颌尖牙与侧切牙易位的矫治方法,以提高临床矫治效果。方法对上颌尖牙与侧切牙易位的11例患者,采用开拓间隙、易位侧切牙人工反让道、易位尖牙远移并控根、舌侧弓丝近中移动侧切牙、交互控根、舌侧固定保持器保持的系列矫治法进行矫治。结果11例患者经系列矫治后均达到了较理想的效果,牙弓排列整齐,易位尖牙与侧切牙牙根平行。结论采用系列矫治法矫治尖牙与侧切牙易位,可有效提高临床矫治效果,缩短矫治时间。

Series orthodontic treatment on teeth transposition of maxillary canine and lateral incisor

Objective To explore the treatment on teeth transposition of maxillary canine and lateral incisor in order to improve the clinical treatment effect.Methods Eleven patients with transposition maxillary canine and lateral incisor were treated with the method:Expand space,artificial reverse occlusion of transpositional lateral incisor to give way,transpositional lateral canine distalization and controlling root,mesial movement of lateral incisor with tongue arch,interactive controlling roots and retention with tongue fixed retaining appliance.Results Eleven patients had satisfactory treatment effect,with tidy dentition and parallel teeth roots of transposition canine and lateral incisor. Conclusion Series orthodontic treatment on teeth transposition of maxillary canine and lateral incisor can effectively improve the clinical treatment effect and shorten the treatment time.