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目的 研究石家庄市正常牙合汉族人硬组织颅面结构特征。方法 普查石家庄市 36 4 9名汉族人 ,选出 14 7名正常牙合人 ,分为替牙期、恒牙初期、恒牙期 3组 ,每名被调查者拍摄X线头颅侧位片 ,分析其硬组织颅面结构。结果 得出了石家庄市正常牙合汉族人硬组织各项X线头影测量正常值。结论 石家庄市正常牙合汉族人硬组织多项X线头影测量值存在性别和年龄差异
Objective To study the craniofacial features of hard tissue in normal occlusion Han nationality in Shijiazhuang. Methods 36 4 9 Han nationalities in Shijiazhuang City were enrolled in this study. A total of 147 normal occlusion patients were selected and divided into three groups: the first molars, the first molars and the third molars. Each of the respondents recorded X - Analysis of its hard tissue craniofacial structure. The results obtained in Shijiazhuang normal occlusion Han hardcore X-ray cephalometric measurements of normal. Conclusions There are differences in sex and age between the multiple cephalometric measurements of hard tissue of Han people in Shijiazhuang