Damon技术非拔牙矫治牙列拥挤患者的牙弓形态变化

Journal of Dental Prevention and Treatment(2010)

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Abstract
目的 探讨采用Damon技术对牙列拥挤患者进行非拔牙矫治的牙弓形态变化.方法 15例中度牙列拥挤患者,使用Damon Ⅲ矫治器进行非拔牙矫治.对治疗前后的记存模型进行测量分析,探讨牙弓形态的变化特点.结果 矫治后的牙弓长度和宽度均有显著增加,具体的变化特点与牙列拥挤的程度和部位有关.牙弓宽度增加主要发生在上颌第一前磨牙和下颌第二前磨牙区.结论 采用Damon技术非拔牙矫治牙列拥挤患者,牙弓形态改变主要是前磨牙区宽度及牙弓长度增加.
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Key words
Crowding,Damon Ⅲ appliance,Non-extraction,Arch width,Arch length
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