Decline of dental caries. What occurred and will it continue?
D000293:Adolescent; D002170:Canada; D002648:Child; D002675:Child, Preschool; D004245:DMF Index; D003729:Dental Care; D003731:Dental Caries / Q000453:epidemiology* / Q000266:history / Q000517:prevention & control; D005457:Fluoridation; D049673:History, 20th Century; D006801:Humans; D008963:Molar / Q000473:pathology; D014094:Tooth, Deciduous / Q000473:pathology; D014481:United States