目的 观察固定正畸和上颌前方牵引器矫治恒牙列期前牙反情况和疗效。方法对18例恒牙列期青少年患者,以上颌快速扩弓装置(带环),每日打开螺旋1次,共2周。行支架式口外前方牵引装置牵引。结果18例均获得满意疗效,面型明显改善,上颌骨明显前移,正中或轻度近中磨牙关系。结论 在恒牙列早期,应用前方牵引矫治器治疗,仍然可使上颌骨前移,控制下颌骨的旋转及生长速度,使反患者的面型得到明显改善。 Objective To observe the anterior teeth anti-condition and effect of permanent orthodontics and maxillary anterior tractor in the treatment of permanent dentition. Methods 18 cases of adolescent patients with permanent dentition, maxillary rapid expansion device (with ring), open the spiral once a day for 2 weeks. Row stent-type frontal traction device traction. Results 18 cases were satisfied with the curative effect, significantly improved facial features, the maxilla was significantly advanced, the median or mild near-molar relationship. Conclusions In the early stage of permanent dentition, the use of anterior traction appliance can still move the maxilla forward and control the rotation and growth rate of the mandible, thus improving the face shape of the anti-patient.