目的 :通过分析成人正畸治疗情况 ,得出成人错牙合畸形治疗的特点 ,使成人正畸治疗顺利进行并取得满意效果。方法 :根据 86例错牙合畸形治疗前后模型及部分头影测量X线片。经半年至两年随访观察无畸形复发。结论 :成人错牙合畸形用固定治疗方法矫治 ,疗效显著 ,可广泛使用 OBJECTIVE: To analyze the characteristics of adult orthodontic treatment and to draw the conclusion that adult malocclusion and orthodontic treatment can make the orthodontic treatment of adult go smoothly and achieve satisfactory results. Methods: According to 86 cases of malocclusion deformity before and after treatment model and some cephalometric X-ray film. After six months to two years follow-up observation of non-deformity recurrence. Conclusion: The treatment of malocclusion and malformations in adult patients with fixed treatment has significant curative effect and can be widely used