中国遼寧省朝鮮族の歯の形質人類学的研究

概要

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In order to clarify an anthropological position of the Chaoxian based on Mongoloid dental variations, 19 tooth crown traits of the Chaoxian were examined and compared with 22 East Asian populations. In the 8 traits which show considerable difference between Sinodonty and Sundadonty, Shoveling, Double-shovel and Y-groove pattern of the Chaoxian were similar to those of Sinodonty, while Winging, Carabelli's trait, Deflecting wrinkle and 4-cusp of the Chaoxian were similar to those of Sundadonty. Cusp 5 of the Chaoxian lay midway between Sinodonty and Sundadonty. From a cluster analysis among 23 East Asian populations, the Chaoxian was included in the Sinodonty cluster. Furthermore, the multidimensional scaling analysis showed that the Chaoxian was the closest to the Man in Sinodonty. Judging from the above analyses, it was proved that the dentition of the Chaoxian was characteristic of both Sinodonty and Sundadonty, and the Chaoxian is the closest to the Man in the East Asian Mongoloid populations.
九州歯科学会の論文
1999-10-25