前牙开牙合,主要表现上下前牙垂直向无牙合接触,常常合并近远中不调,牙排列不齐等其它畸形。对它的矫治较复杂,尤其对成人的矫治更为复杂,笔者采用非手术矫治。针对成人的正畸特点,应用钛镍丝反向唇弓矫治取得了满意效果,现介绍如下。1　资料和方法6例前牙开牙合患者,年龄18～2 Anterior occlusal occlusion, the main performance of the upper and lower anterior teeth perpendicular to the occlusal contact, often combined in the near and far do not adjust, missing teeth and other malformations. It is more complex correction, especially for adults more complex correction, I use non-surgical correction. For the orthodontic characteristics of adults, the application of titanium nickel wire reverse lip bow correction achieved satisfactory results are as follows. 1 Materials and Methods 6 cases of anterior teeth open patients, aged 18 ~ 2