关键词: 牙齿易位, 固定正畸, 交互控根, 系列矫治

Abstract:

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 transpositional 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.

Key words: teeth transposition, fixed orthodontic, interactive controlling root, series orthodontic treatment