The sexing by discriminant analysis of dental arch and palate of formosan aborigines.

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For the purpose of sexing, the discriminant analysis was applied to the measurements of dental arch and palate of Yami, Bunun and Ami, who belong to Formosan aborigines. The results may be summarized as follows.<BR>In the analysis of each tribe, both the discriminant effects derived from 4 measurements of posterior arch and from 4 measurements of anterior arch were not very high. However, the rather high effects of 72.41-77.14% were obtained from 9 measurements of posterior and anterior arch, and palate.<BR>The effects derived from 4 measurements of anterior arch and from 9 measurem ents of arch and palate in the analysis of the combination of three tribes, were considerably lower than in the analysis of each tribe.<BR>A stepwise method employing Wilks' lambda selected 3-5 measurements from 9 measurements of arch and palate, and gave the effects of 67.82-74.51%. The relatively high effects were obtained from the few measurements, though the selected measurements differed among different tribes.<BR>The sexing effect of dental arch and palate was suggested to be nearly as high as crania or teeth, but not so high as appendicular skeletons.
歯科基礎医学会の論文