title: Effect on caries prevalence in three year old children of a preventive program given at child health centre.
mesh_terms: D002662:Child Health Services; D002675:Child, Preschool; D004245:DMF Index; D003731:Dental Caries / Q000517:prevention & control*; D004497:Education, Dental; D005459:Fluorides / Q000627:therapeutic use; D006801:Humans; D009664:Norway
chemical_list: D005459:Fluorides