目的　通过 10例成人开病例对开发生的机理进行探讨以求得最佳治疗方案。方法　回顾性分析此类病例的病因 ,矫治设计、矫治方法。结果　平均疗程 19个月 ,治疗结束时 ,牙列排齐 ,开解除 ,前后牙覆盖覆关系正常 ,面型改善 ,患者对治疗结果满意。结论　对临床开病例采取拔除第二恒磨牙 ,通过固定正畸技术矫治可达到治疗目的 ,获得满意效果。 Objective To explore the mechanism of gallbladder occlusion in 10 cases of adult dilapidation in order to obtain the best treatment plan. Methods Retrospective analysis of the etiology of such cases, correction design, correction methods. Results The average duration of treatment was 19 months. At the end of treatment, the dentition was aligned and opened. The anterior and posterior teeth were covered and their relationship was normal. The facial features were improved and the patients were satisfied with the treatment outcome. Conclusions The removal of the second permanent molars in patients with open kyphosis can achieve the therapeutic goal through orthodontic treatment and achieve satisfactory results.