甑島々民の口蓋幅と口蓋弓隆長

概要

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Measurements were conducted on the population of Koshiki Island, with respect to palatal breadth and palatal arch length. The data obtained for these items were computed statistically, using t-test for each group of traits, and mean ratio for the groups. The results obtained were summarized as follows. 1 Sex difference The male group exceeded the female group in palatal breadth and palatal arch length. 2 Difference with age (years) Palatal breadth Male (20-29)>(40-49)≥(30-39)≒(16-19) Female (16-19)≒(40-49)>(20-29)≒(30-39) Palatal arch length Male (20-29)≒(30-39)≒(40-49)>(16-19) Female (30-39)≒(40-49)≥(16-19)≥(20-29) 3 Regional difference Palatal breadth Koshiki<Tanushimaru (Fukuoka) in both sexes Koshiki≒Aso (Ohita) in male Koshiki<Aso (Ohita) in female Palatal arch length Koshiki≒Tanushimaru (Fukuoka) in both sexes Koshiki>Aso (Ohita) in both sexes
九州歯科学会の論文
1976-11-30