Adult dental health care in England and Wales in 1968. 1. Survey plan and organization.
D000328:Adult; D003753:Dental Health Surveys; D003778:Dentures; D004739:England; D006801:Humans; D009066:Mouth, Edentulous / Q000453:epidemiology; D009909:Oral Health; D012923:Social Class; D013218:State Dentistry; D014081:Tooth Extraction; D014852:Wales