多曲方丝弓技术矫治安氏Ⅱ类错的临床观察

Clinical understanding and therapeutic analysis of multiloop edgewise archwire correction of Angle classⅡ malocclusion

目的 分析多曲方丝弓技术对安氏Ⅱ类错的矫治特点 ,探讨其作用机理 ,总结其临床治疗时机、操作要领和注意事项。方法 用多曲方丝弓技术对 13例安氏Ⅱ类错进行深覆、深覆盖、前牙唇向开展和调整磨牙关系的矫治。结果 13例安氏Ⅱ类 1分类和Ⅱ类 2分类错均在相对短的时间内取得了满意的效果。结论 多曲方丝弓技术对安氏Ⅱ类错的矫治机理独特 ,只要充分认识其矫治原理 ,严格按照要求操作并取得患者配合 。

Objective To use multiloop edgewise archwire (MEAW) to correct class Ⅱ malocclusion and to analyse its therapeutic effects and principles. Methods 10 class Ⅱ division 1 and 3 class Ⅱ division 2 cases were treated with MEAW technique. Results Gratifying results have been achieved in all cases in a relatively short period of time.Conclusions With full understanding of correcting principle of the archwire for class Ⅱmalocclusion and active cooperation of the patient,the MEAW technique produces twice the result with half the effort.