title: [Frequency of loss of the permanent first molar teeth among Brazilians. II. Comparative study of the prevalence of the loss among individuals belonging to different economic levels of the population].
mesh_terms: D000293:Adolescent; D001938:Brazil; D002648:Child; D002986:Clinical Trials as Topic; D005260:Female; D006801:Humans; D008297:Male; D008963:Molar; D009066:Mouth, Edentulous / Q000453:epidemiology*; D012959:Socioeconomic Factors; D014081:Tooth Extraction
vernacular_title: Freqüênica de perdas dos primeiros molares permanentes entre Brasileiros. II. Estudo comparativo da prevalência de perdas entre indivíduos de diferentes faixas da população.