title: Decrease of DMF-levels 4 years after the introduction of a caries-preventive program, observations in 5819 schoolchildren of 20 communities.
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D004245:DMF Index; D003731:Dental Caries / Q000453:epidemiology / Q000517:prevention & control*; D004032:Diet; D005459:Fluorides / Q000627:therapeutic use; D005460:Fluorides, Topical / Q000627:therapeutic use; D006267:Health Education, Dental; D006801:Humans; D009910:Oral Hygiene; D012965:Sodium Chloride; D013557:Switzerland; D013607:Tablets; D014078:Tooth Eruption; D014099:Toothbrushing
chemical_list: D005460:Fluorides, Topical; D013607:Tablets; D012965:Sodium Chloride; D005459:Fluorides