Prevalence of periodontal disease in Ceylon. Association with age, sex, oral hygiene, socio-economic factors, vitamin deficiencies, malnutrition, betel and tobacco consumption and ethnic group. Final report.
D000293:Adolescent; D000328:Adult; D000367:Age Factors; D000368:Aged; D001114:Areca; D003773:Dental Plaque / Q000175:diagnosis; D004468:Economics, Dental; D004522:Educational Status; D005007:Ethnology; D005060:Europe; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009055:Mouth / Q000382:microbiology; D009748:Nutrition Disorders / Q000175:diagnosis; D010510:Periodontal Diseases / Q000175:diagnosis* / Q000453:epidemiology*; D010512:Periodontal Index; D010946:Plants, Medicinal; D012737:Sex Factors; D012907:Smoking; D012923:Social Class; D012959:Socioeconomic Factors; D013188:Sri Lanka; D014481:United States; D014802:Vitamin A Deficiency / Q000175:diagnosis; D014804:Vitamin B Deficiency / Q000175:diagnosis; D014944:World Health Organization