title: Caries prevalence in crippled children--special emphasis on environmental variation.
mesh_terms: D002547:Cerebral Palsy; D004245:DMF Index; D003731:Dental Caries / Q000453:epidemiology; D003733:Dental Caries Susceptibility; D003753:Dental Health Surveys; D003813:Dentistry; D006233:Persons with Disabilities; D004782:Environmental Health