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目的:探讨上颌埋伏阻生牙正畸治疗的方法及临床效果。方法:回顾性分析2010年2月~2013年5月治疗的上颌埋伏阻生前牙44例(51颗牙)患者临床资料,总结分析治疗体会。结果:44例(51颗牙)减阻助萌矫治疗12例14颗牙,经3~6个月矫治埋伏牙自然萌出;开窗术封闭式牵引导萌法矫治32例37颗牙,经5~7个月封闭式牵引,埋伏阻生牙导萌引出。3例5颗牙开窗牵引导萌失败,其中牙根与骨粘连导萌失败2颗牙,牙周附着不足、牙龈形态欠佳3颗牙。结论:埋伏阻生牙矫治较为复杂,精确的定位、合理的矫治方案及手术方式、适当的牵引力和支抗,有助于减少并发症发生,取得较好的美观及功能效果。
Objective: To investigate the method and clinical effect of orthodontic treatment of impacted maxillary impacted teeth. Methods: The clinical data of 44 patients (51 teeth) with maxillary impacted anterior teeth treated from February 2010 to May 2013 were analyzed retrospectively. The treatment experience was summarized and analyzed. Results: Forty-four teeth (51 teeth) were treated with anti-obstruction and adduction to treat 12 cases and 14 teeth, and the teeth were naturally erupted after 3 to 6 months. 32 cases (37 teeth) 5 to 7 months closed traction, implicated impacted teeth leading Meng introduction. 3 cases of 5 teeth open window traction guide failure, in which root and bone adhesion lead to the failure of two teeth, insufficient periodontal attachment, poor gingival morphology of 3 teeth. Conclusion: Implanting impacted teeth treatment is more complex and precise positioning, reasonable correction programs and surgical methods, appropriate traction and support, help to reduce the occurrence of complications, and achieve better aesthetic and functional effects.