title: Introduction to periodontal epidemiology.
authors: Raul
authors: R
authors: Garcia
authors: Thomas
authors: T
authors: Dietrich
mesh_terms: D004812:Epidemiologic Methods; D015340:Epidemiologic Research Design; D016021:Epidemiologic Studies; D014943:Global Health / Q000706:statistics & numerical data; D006801:Humans; D010510:Periodontal Diseases / Q000453:epidemiology*