PURPOSE: The purpose of this study was to evaluate the effect of high pull Jhook 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。
2
Objective To investigated the clinical value of Jhook in higher traction by treatment of 40 gummy smile deep overbite patients.
目的通过对40例牙龈型微笑的深覆牙合患者的治疗,探讨J形钩高位牵引的临床应用。
3
Object To evaluate the effects of class II malocclusion treated with MBT technique with high pull headgear Jhook.