title: Improvement in the oral hygiene of institutionalized mentally retarded individuals through training of direct care staff: a longitudinal study.
mesh_terms: D003730:Dental Care for Persons with Disabilities; D006267:Health Education, Dental; D006801:Humans; D007326:Institutionalization; D008607:Intellectual Disability / Q000503:physiopathology; D008137:Longitudinal Studies; D009910:Oral Hygiene / Q000379:methods*