OPA-K.C滑动直丝弓矫治器矫治错畸形效果分析

CLINICAL APPLICATION OF OPA-K.C STRAIGHT WIRE APPLIANCE IN MALOCCLUSIONS

目的了解OPA—K．C滑动直丝弓矫治器的临床应用特点。方法收集拔除四个双尖牙的错牙争畸形病人23例（包括安氏分类I类6倒，Ⅱ类16倒，Ⅲ类1例，采用OPA—K．C滑动直丝弓矫治器治疗，观察治疗鲒果，分析OPA—K.C滑动直丝弓矫治器的临床应用特点。结果23倒病人均取得满意疗效，矫治时间14—35个月，平均20．3个月。结论OPA—K．C滑动直丝弓矫治器可以用于各类错矜矫治，这种0．022托槽槽沟系统的直丝托槽，具有个性化治疗的技术特色。

Objective To evaluate the clinical application of OPA - K. C sliding straight wire appliance. Method Twenty three patients （Angle Ⅰ 6 cases, Angle Ⅱ 16 cases, AngleⅢ 1 case） with malocclusion were treated by the OPA - K. C sliding straight wire appliance in orthodontic clinic. The outcomes were observed and the characteristics of the OPA - K. C sliding straight wire appliance were analyzed. Result Satisfactory results were obtained from all the patients and the time of orthodontic treatments were from 14 to 35 months （Average 20.3 months）. Conclusion The OPA - K. C sliding straight wire appliance can be used to any kind of malocclusion, these 0. 022″ straight wire brackets of the OPA - K. C sliding straight wire appliance have special technical features of characteristic treatment.