作　　者： ; ;

机构地区： 广西医学院

出　　处： 《人类学学报》 1987年第2期139-143,共5页

摘　　要： 作者测量和观察了现代华南人1963个恒牙。结果表明,铲形上内侧门齿的出现率为91.8％;卡氏尖在M^1中的出现率为23.8％,在M^2中的出现率为1.6％。 Teeth measurements and observation of cusp types have been made on 1963 permanent teeth of modern Chinese of south China. The mean measurements of total length, length of crown, length of root, M-D diameter and B-L diameter of crown, M-D diameter and B-L diameter at cervix of each tooth category were made. The statistical results on cusp types of each molar category indicates that the number of cusps from MI to M3 tends to reduce. The Carabellis Tuberculum on M1 occurred in 23.8%, and that on M2 in 1.6%. The shovel-shaped I'occurred in 91.8%.

关 键 词： 华南人 牙齿尺寸 齿尖类型

领　　域： [生物学]