An epidemiologic investigation of the effect of biologic aging on the breakdown of periodontal tissue.
D000368:Aged; D000375:Aging; D001795:Blood Pressure Determination; D003773:Dental Plaque; D005260:Female; D005882:Gingival Diseases; D006320:Hearing Tests; D006801:Humans; D008487:Medical History Taking; D009910:Oral Hygiene; D010510:Periodontal Diseases; D010512:Periodontal Index; D010865:Pilot Projects; D012129:Respiratory Function Tests; D012885:Skinfold Thickness; D012959:Socioeconomic Factors