title: Caries prevalence in Danish children living in areas with low and optimal levels of natural water fluoride.
mesh_terms: D000293:Adolescent; D002648:Child; D004245:DMF Index; D003718:Denmark; D003731:Dental Caries / Q000453:epidemiology* / Q000517:prevention & control; D005459:Fluorides / Q000008:administration & dosage*; D006801:Humans; D014100:Toothpastes; D014881:Water Supply
chemical_list: D014100:Toothpastes; D005459:Fluorides