目的　探讨矫治前牙重度开的有效方法。方法　对 12例恒牙期前牙重度开患者采用固定矫治器结合后牙垫进行矫治。结果　与单纯使用固定矫治器相比 ,其压低后牙 ,升高前牙 ,平均每月升高前牙咬合为(1.0 2± 0 .12 )mm ,升高咬合时间缩短为 (6 .2 4± 1.2 3)月。两者差异有显著性 (P <0 .0 0 1)。结论　固定矫治器结合牙垫矫正前牙重度开畸形的临床疗效比较明显 Objective To study the effective method of correcting the severe openness of anterior teeth. Methods Twelve patients with permanent dentition with severe open ridges underwent permanent orthodontic appliance combined with posterior incisors. Results Compared with the simple orthodontic appliance, the mean reduction of the anterior teeth was (1.02 ± 0.12) mm and the mean reduction of the occlusal time was (6.24) ± 1.2 3) Month. The difference was significant (P <0. 001). Conclusion The clinical curative effect of fixed appliance combined with dental incontinence pad to correct severe open  deformity of anterior teeth is obvious