【摘要】 利用自动显示游标卡尺测量200例（男、女各100例，年龄18～24岁）上颌石膏模型上牙弓宽、长及高等18个指标。经统计分析发现除切牙弓长、尖牙间距对应高及第二双尖牙间距对应高外，其余15项测量指标男性均大于女性（P＜0．05）。逐步判别分析仅用7个测量指标，判别率可达到75．50％。更多还原

【Abstract】 The sex difference of the maxilla dental casts representing the teeth and dental arch of two hundred individuals from a city of Shanxi province population of either sex, ranging in age from 18 to 24 years,was studied. 18 measurments were obtained using automatic display caliper. The sexual dimorphism of the dental arch has been demonstrated by the analysis of the width and length of the dental arch. Four discriminating formula for sexing dental arch were established by discriminating apalysis and their percentages of substitution were 62 % ~75. 5 %更多还原