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Resumo

60 dental plaster casts of Jewish adolescents, half of them children of immigrants from Yemen and half of them from Cochin (India), were investigated as to tooth measurements and morphologic traits. Each group was composed of an equal number of males and females. Cochini showed a sex specific dimorphism in tooth size, a relatively larger bucco‐lingual diameter of upper and lower first premolars, lower frequency of Carabelli's tuberculum and in males larger tooth measurements than their Yemenite counterparts. The variability of 2I2 was significantly higher in females than in males, and in Yemenite girls than in Cochini. The molar patterns were similar in both groups with regard to number and development of cusps and occlusal form of the mandibular molars.

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