石家庄市正常(牙合)人软组织侧貌X线头影测量研究

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目的研究石家庄市正常(牙合)汉族人软组织侧貌特征.方法普查石家庄市3649名汉族人,选出147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,分析其软组织侧貌.结果得出了石家庄市正常(牙合)汉族人软组织各项X线头影测量正常值.结论石家庄市正常(牙合)汉族人软组织多项X线头影测量值存在性别和年龄差异.
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