正畸治疗中磨牙的拔除和保留(三十三)——拔除第三磨牙的矫治设计

Treatment design of extracting third molars.

目的:探讨主动拔除第三磨牙矫治各类错的效果。方法:选取深圳市儿童医院口腔正畸科就诊的错畸形病例33例,设计主动拔除第三磨牙矫治错,其中男10例,女23例。均采用直丝弓矫治器矫治,分别采用三种支抗控制。结果:全部病例均达到尖牙和磨牙的中性关系,前牙覆覆盖正常,软组织侧貌协调。结论:通过主动拔除第三磨牙矫治错畸形可获得良好的矫治效果,并可保全28个牙齿。

Objective： To investigate the effect of treating malocclusion by extraction of third molars. Method： 33 malocclusion patients from Department of Orthodontics, ShenZhen Children＇s Hospital, were invloved in this study. Straight wire appliance was used to treat all these patients, and three different anchor was used on them. Result： All cases obtaind nomal canine-relationship and molar-relationship. The overbite and overjet of incisor were normal too. Profile of the face were well. Conchlsion： Well orthodontic effects can be achieved by extracting third molars, while the 28 teeth can obtain.