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    CONCLUSION: Twin-block appliance can be used successfully for early treatment of skeletal Class II malocclusion.
    结论:Twin-block矫治器对尚处于生长发育期的早期骨性II类错牙合患者疗效显著,表现为骨改建与牙代偿的混合机制。
    PURPOSE: To evaluate the effect of highpull extraoral traction on growing patients with skeletal Class II malocclusion.
    目的:探讨高位口外牵引在青少年骨性II类错牙合早期矫治中的作用,并评价其临床疗效。
    Object To evaluate the effects of class II malocclusion treated with MBT technique with high pull headgear J hook.
    目的探讨直丝弓矫治技术结合使用J钩治疗安氏Ⅱ1错的临床效果。
    Method 12 class II malocclusion cases were treated with the straight wire appliance,using high pull headgear J hook in the stage of cuspid retraction and space closure.
    方法运用直丝弓矫治器治疗安氏Ⅱ1错患者12例,结合使用J钩头帽口外牵引向后滑动弓丝关闭拔牙间隙,并适当运用于拉牙向远中的阶段。
    Conclusion MBT technique with high pull headgear J hook is an effective way to control the anchorage,retract the anterior teeth and improve the profile in the treatment of class II malocclusion.
    结论J钩配合滑动直丝弓技术矫治安氏Ⅱ1错是一种行之有效的方法,可以很好地控制后牙支抗并控根压低内收上前牙,改善面型。
    Methods 48 patients with Class II malocclusion were treated with GMD appliance, Pendulum appliance and extraoral arch by maxillary molars distalization without extraction. Then the effects were evaluated through pre- and post-distalization cephalometric radiographs and the dental models analysis.
    方法:对48例因上颌磨牙前移所导致的安氏II类错牙合患者,分别使用GMD矫治器、钟摆矫治器与口外弓进行推上颌磨牙向远中移动的非拔牙矫治,通过矫治前及磨牙远移到位后的X线头影测量及模型测量分析进行对比研究。
    Objective:To find out proper therapy for skeletal class II malocclusion,and to investigate etiological mechanism of such malocclusion patients.
    目的:研究我国骨性二类错患者的病因机制是以上颌前突为主,还是下颌后缩为主,根据其病因机制找出合理的治疗方法。
    Results: There was no the maxillary protrusion in nearly 92.9% of skeletal class II malocclusion patients,whereas the mandibular retrusion was found in 67.9% of patients. The difference between the maxillary and mandibular mechanism for skeletal class II malocclusion was statistically significant.
    结果:所研究的骨性二类错患者中92.9%的患者不存在上颌前突病因机制,67.9%的患者存在下颌后缩病因机制,而且这种上、下颌骨病因机制方面的差异性是有显著的统计学意义的。
    Objective To introduce modified keles slider and evalute the effect of treating class II malocclusion by using modified keles slider.
    目的:介绍Keles滑动杆的一种改良方法,评价应用改良Keles滑动杆远中移动双侧上颌磨牙矫治安氏II类错疗效。
    Objective To compare the mechanisms of treatment on deep overbite for Angle class II malocclusion patients between adults and adolescence when selecting the same pattern of teeth extraction and auxiliary devices.
    目的比较在相同的拔牙模式和使用小平导板矫治深覆时,青少年和成人安氏Ⅱ类深覆矫治机制的异同点。
    Method:58 patients with Class II malocclusion were treated with GMD appliance and Pendulum appliance by maxillary molars distalization without extraction. The effects were evaluated through pre-and post-distalization cephalometric radiographs and the dental models analysis.
    方法:对58例因上颌磨牙前移所导致的安氏II类错患者,分别使用GMD矫治器与钟摆矫治器进行推上颌磨牙向远中移动的非拔牙矫治,通过矫治前及磨牙远移到位后的X线头影测量及模型测量分析进行对比研究。
 

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