作者: Erica Amir , Meir Gorsky , Amos Buchner , Haim Sarnat , Haim Gat
DOI: 10.1016/0030-4220(91)90325-7
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摘要: Abstract Physiologic melanin pigmentation (racial pigmentation) of the oral mucosa varies in prevalence among different races and ethnic groups. The purpose this study was to investigate physiologic Israeli Jewish children origins. A total 1300 children, 6 10 years age, examined. found 13.5% population studied. Children Eastern origin showed a significantly higher compared with Ashkenazi Sephardic Because can be enhanced by mechanical chemical stimulation (smoking), may serve as baseline for investigation various