title: Secular trends in the prevalence of caries.
mesh_terms: D000293:Adolescent; D000367:Age Factors; D002648:Child; D004245:DMF Index; D003731:Dental Caries / Q000453:epidemiology*; D005260:Female; D005459:Fluorides; D006801:Humans; D008297:Male; D008404:Massachusetts; D012737:Sex Factors; D013997:Time Factors; D014881:Water Supply
chemical_list: D005459:Fluorides