摘要
目的 探讨在“2× 4”矫治技术中弓丝弯制的方法及原理。方法 替牙牙合时期前牙反牙合患者 2 4例 ,使用粗弓丝 ,在其弓丝上弯制各种曲形 ,并根据不同错牙合类型 ,处理各种曲与牙齿、带环关系 ,防止出现磨牙旋转移动等异常。结果 2～ 6个月纠正反牙合 ,2 4例替牙牙合时期反牙合患者得以早期矫治。结论 本方法矫治时间短 ,效果明显 ,操作简单 。
Objective To explore the method and principle of bending of arch edgewise in "2×4" correction technique.Methods In 24 cases with cross bite of labial teeth in dental transitional period,thick arch edgewise was shaped into many kinds of curvatures,then according to different types of malocclussion,the relation between the curvature and teeth was done so as to prevent the abnormal motar teeth,rotation displacement.Results The cross bite was corrected after 2～6 months and 24 cases with cross bite of labia...
关键词
替牙牙合
前牙反牙合
弓丝弯制
dental transition
cross bite of labial teeth
bending of arch edgewise.
