Dental health education for mentally handicapped children.
D000293:Adolescent; D000328:Adult; D002648:Child; D002675:Child, Preschool; D003730:Dental Care for Persons with Disabilities / Q000379:methods / Q000458:organization & administration*; D006267:Health Education, Dental / Q000379:methods / Q000458:organization & administration*; D006723:Hong Kong; D006801:Humans; D008607:Intellectual Disability