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单侧完全性唇腭裂患者上颌后牙最大咬合面积的测定与分析

Hua xi kou qiang yi xue za zhi = Huaxi kouqiang yixue zazhi = West China journal of stomatology(2000)

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Abstract
目的:测定单侧完全性唇腭裂患者(UCLP)双侧后牙的ICP位咬合面积,籍以分析其口腔功能状况。方法:以软蜡片对22例唇腭裂修补术后未经正畸治疗的UCLP患者作牙尖交错位咬合记录,以计算机图像分析系统测量其上颌后牙最大咬合面积,并与24例正常者的相应结果进行比较。结果:①正常者其上颌后牙最大咬合面积无性别差异,也无左右侧差异;②UCLP患者上颌后牙最大咬合面积明显低于正常者;③UCLP患者上颌后牙最大咬合面积无性别差异,也无裂隙侧与非裂隙侧差异;④UCLP患者上颌后牙最大咬合面积降低,在牙弓中段双尖牙区最明显。结论:UCLP严重损害了患者的咬合接触状况,是UCLP患者咀嚼功能降低的主要原因,应为正畸临床所重视。
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Key words
unilateral cleft lip,upper premolars,occlusal contact areas,palate
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