作者首次在Begg矫正技术的第一期使用了镍钛排齐输弓,对30例前牙拥挤不齐的错验病例进行了矫治.结果表明.在拔牙病例中,使用镍钛排齐辅弓在解除拥挤,排齐前牙的疗效和疗程方面,比使用垂直曲唇弓和国外的多股辩状辅弓丝具有更明显的优越性.文中对排齐辅弓的矫正作用机理和适应症进行了分析讨论,并附有病例报告. For the first time in the first phase of Begg correction technique, the author used nickel-titanium alignment ligation to correct the mismatch of 30 anterior crowns.The results show that in the case of tooth extraction, Crowding, aligning the efficacy and treatment of anterior teeth, than the use of vertical curved lips and foreign multi-scrimmage arch wire has more obvious superiority.In this paper, the alignment of auxiliary bow correction mechanism and indications were analyzed and discussed , Accompanied by a case report.