j-hook wrinkle 挂钩皱
j-hook poor die-cut 挂钩剪裁不良 ; 挂钩裁剪不良
j-hook damaged 挂钩烂
j-hook sticher 挂钩贴
J-HOOK DELIMITATION 挂钩内层分离
J-hook 挂钩
J-HOOK DAMAGE 挂钩烂
V J Hook 标签
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。
Objective To investigated the clinical value of J hook 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。
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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