正畸治疗成人下颌第一磨牙缺失的临床探讨

Clinical study on treatment of adult mandibular first molar missing by orthodontics

目的通过对成人下颌第一磨牙缺失病例的分析,探讨其矫治特点。方法将病例按下颌第一磨牙缺失的情况分为3类,均采用OPA-K直丝弓矫治技术进行矫治,对比矫治前后模型并分析其特点。结果矫治后颌面改善显著,基本能建立良好的咬合关系。结论成人下颌第一磨牙缺失矫治可以取得良好的效果。

Objective To analyse the cases of adult mandibular first molar missing and sum up their treatment characters.Methods We classified the cases of adult mandibular first molar missing. Results The changes were remarkable after treatment and occlusion was better. Conclusion The treatment of orthodontics was well effective on adult mandibular first molar missing.