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恒牙期骨性Ⅱ类错矫正前后的临床分析 被引量:1

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摘要 目的:探讨骨性Ⅱ类Ⅰ分类错矫正前后的软硬组织变化的特点,为临床诊断和治疗设计提供参考。方法:选择12~15岁的骨性Ⅱ类Ⅰ分类错11例,采用直丝弓技术,进行拔牙矫治,矫正前后进行头颅侧位片测量,数据做统计分析和配对t检验。结果:矫正后上切牙明显内收,下切牙位置基本不变或轻微唇倾,上下颌骨在水平向和垂直向的改变均不显著,但下颌骨有后下旋转的倾向。上唇明显内收,下唇变化不明显。结论:骨性Ⅱ类错的矫正主要通过上下切牙前后移动代偿,矫正深覆盖,深覆,掩饰颌骨间的差异,真正的颌骨畸形并未得到实质的矫正,严重的畸形仍需手术治疗,提示应早期对颌骨进行生长改良。
作者 张文忠
出处 《实用医学杂志》 CAS 2005年第6期612-613,共2页 The Journal of Practical Medicine
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参考文献6

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二级参考文献12

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