Cigarette smoking and periodontal disease.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D003710:Demography; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D010510:Periodontal Diseases / Q000453:epidemiology*; D012737:Sex Factors; D012907:Smoking; D044465:White People