title: Causal theory and the etiology of periodontal diseases.
authors: Brenda
authors: B
authors: Heaton
authors: Thomas
authors: T
authors: Dietrich
mesh_terms: D015984:Causality; D015986:Confounding Factors, Epidemiologic; D015987:Effect Modifier, Epidemiologic; D015340:Epidemiologic Research Design; D006801:Humans; D015233:Models, Statistical; D010510:Periodontal Diseases / Q000453:epidemiology* / Q000209:etiology; D010518:Periodontitis / Q000453:epidemiology / Q000209:etiology; D016896:Treatment Outcome