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目的:通过1例第三磨牙阻生致前牙及双尖牙开的矫治,探讨开的矫治原则。方法:2006年于武汉大学口腔医学院正畸科就诊的1例因第三磨牙阻生致前牙及双尖牙开的患者,拔出4颗第三磨牙及一组双尖牙,通过MBT直丝弓矫治技术进行矫正。结果:患者的开得以矫正,面型改善明显,前牙覆覆盖正常,咬合关系良好。结论:在进行开的诊断和设计时,必须认真分析引起开的原因,选择合适的治疗方案。
OBJECTIVE: To investigate the treatment principle of open jaw by treating the anterior teeth and bicuspid teeth caused by the impaction of a third molar. Methods: One case of orthodontics treated in Wuhan University School of Stomatology in 2006 was diagnosed as having anterior teeth and bicuspid teeth caused by the third molars. Four third molars and a group of canines were pulled through MBT straightening technique to correct. Results: The patient’s incision was corrected and the facial features were obviously improved. The anterior cover was normal and the occlusion was good. CONCLUSIONS: In the diagnosis and design of breams, one must carefully analyze the causes of blessings and choose the appropriate treatment.