title: [Comparative environmental-ethnic study on incidence of dental caries in a school population in the south of Chile].
mesh_terms: D002648:Child; D002677:Chile; D002986:Clinical Trials as Topic; D003731:Dental Caries / Q000453:epidemiology*; D006801:Humans; D012571:School Dentistry
vernacular_title: Estudio comparativo étnico-ambiental sobre frecuencia de caries dentaria en una población escolar del sur de Chile.