A modification of the Knutson's equation for recording epidemiological trend patterns of dental caries.
D000367:Age Factors; D002648:Child; D002675:Child, Preschool; D004245:DMF Index; D003731:Dental Caries / Q000453:epidemiology*; D004812:Epidemiologic Methods; D006801:Humans; D013223:Statistics as Topic