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We examined changes in dental attrition levels by sex and age group among Japanese people in the Jomon (16,000 BP-2,300 BP) and Edo (1603-1868 AD) periods. We discuss here the changes in attrition by time period and the changes in diet which could be speculated based on such changes in attrition. In the Jomon people, attrition advanced rapidly from early middle age and became considerable in late...
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