Epidemiology and its application to dental disease.
D004245:DMF Index; D004812:Epidemiologic Methods; D004813:Epidemiology; D005843:Geography; D006801:Humans; D008310:Malocclusion / Q000453:epidemiology; D008722:Methods; D009059:Mouth Diseases / Q000453:epidemiology*; D010512:Periodontal Index