...面弓戴用者所设计的中空式睡枕,比较可以侧睡而不会受到压迫颈部牵引(低位牵引)low-pull headgear高拉式面弓(high pull headgear)高拉式J型钩(high pull J hook),靠近颧骨处的保护垫有时戴久了会发热,请以化粧棉或较好的卫生纸垫到,可以减轻热感,口角处可以抹护...
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high-pull headgear 高位牵引头帽
Object To evaluate the effects of class II malocclusion treated with MBT technique with high pull headgear J hook.
目的：评价标准方丝弓配合高位J钩对正畸治疗中牙根吸收的影响。
PURPOSE: The purpose of this study was to evaluate the effect of high pull J hook headgear(HPHG) on root resorption of maxillary incisors during orthodontic treatment.
目的：评价标准方丝弓配合高位J钩对正畸治疗中牙根吸收的影响。
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