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。
今日热词
目录 附录 查词历史