skeletal Class II malocclusion 骨性II类错
early skeletal class ii malocclusion 骨性ii类错牙合
angle s class ii malocclusion 安氏ii类错
class ii 1 malocclusion 安氏错牙合
class ii division malocclusion 安氏ii1错牙合
angle class ii division malocclusion 安氏ii
class II division I malocclusion II类1分类错牙合
Class II division 1 malocclusion 安氏II1类错牙合
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: Research the change in alveolar bone crest height among 2-phase treatment, pendulum and extraction treatment in Class II malocclusion.
目的：了解拔牙与非拔牙矫治在治疗安氏II类错时牙槽嵴高度的变化情况。
Conclusion: Angle Class II division 2 malocclusion is closely related to congenital tooth anomalies.
结论：安氏II类2分类错牙合与过小侧切牙、釉质发育不良、先天缺牙密切相关。
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