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我们对北京市130名年龄在4～13岁的正常(牙合)儿童,进行了面部软组织 X 线头影测量。按牙龄分为乳牙期组43名(男21,女22),替牙期组47名(男25,女22),恒牙早期组40名(男20,女20),并用计算机进行测量运算和统计学处理。取得了各项测量正常值及标准差。可作为评定面型、唇形及其位置的参考。各牙龄组,男、女各组的测量位无明显差异。表明他们的面部结构关系是相同的,但面形有种族差异,中、美人种相比较,我们发现中国人的下唇突度大,面型较凸。
We performed facial soft tissue X-cephalometry on 130 normal occlusion children aged 4 to 13 years in Beijing. According to the age of the teeth, we divided 43 patients (21 males and 22 females) in the deciduous period group, 47 (25 males and 22 females) in the dentition group and 40 (20 males and 20 females) in the permanent group. Operations and statistics. Has made the measurement of normal and standard deviation. Can be used as a reference surface, lip and its location. The age group, male and female groups measured no significant difference. Indicating that their facial structure is the same, but the face has racial differences. Compared with Chinese and American races, we find that the lower lip of Chinese people is sharp and convex in shape.