[Permanent tooth eruption in 3,020 children in Lasa County].
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D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D002681:China; D005006:Ethnicity; D005260:Female; D006801:Humans; D008297:Male; D012737:Sex Factors; D011795:Surveys and Questionnaires; D014070:Tooth / Q000254:growth & development*; D014078:Tooth Eruption