Ethical considerations in dental epidemiological studies.
D003731:Dental Caries / Q000453:epidemiology*; D003753:Dental Health Surveys; D004497:Education, Dental; D004812:Epidemiologic Methods; D004990:Ethics, Dental; D004991:Ethics, Institutional; D006805:Human Experimentation; D006801:Humans; D012107:Research Design; D012306:Risk; D012586:Science