title: Longitudinal study of dental caries prevalence and incidence in the rapakivi (high fluoride) granite and olivine diabase (low fluoride) areas of Laitila, Finland.
mesh_terms: D000328:Adult; D004245:DMF Index; D003731:Dental Caries / Q000453:epidemiology*; D005387:Finland; D005459:Fluorides / Q000032:analysis*; D006801:Humans; D014881:Water Supply / Q000032:analysis*
chemical_list: D005459:Fluorides