title: Methodological aspects of epidemiological studies of periodontal diseases.
authors.forename: Albert
authors.initials: A
authors.lastname: Kingman
authors.forename: Jasim M
authors.initials: JM
authors.lastname: Albandar
mesh_terms: D015982:Bias; D002138:Calibration; D016022:Case-Control Studies; D015331:Cohort Studies; D003430:Cross-Sectional Studies; D003753:Dental Health Surveys; D015340:Epidemiologic Research Design; D016021:Epidemiologic Studies; D006801:Humans; D015588:Observer Variation; D017622:Periodontal Attachment Loss / Q000453:epidemiology; D010510:Periodontal Diseases / Q000453:epidemiology*; D010512:Periodontal Index; D010514:Periodontal Pocket / Q000453:epidemiology; D015995:Prevalence; D011446:Prospective Studies; D011786:Quality Control; D015203:Reproducibility of Results; D012494:Sampling Studies