CURRENT CONCEPTS IN PERIODONTAL DISEASE RESEARCH: EPIDEMIOLOGICAL CONTRIBUTIONS.
D000375:Aging; D001419:Bacteria; D002677:Chile; D003728:Dental Calculus; D004484:Ecuador; D004813:Epidemiology; D005882:Gingival Diseases; D006801:Humans; D007194:India; D007861:Lebanon; D008396:Maryland; D009009:Montana; D010510:Periodontal Diseases; D014744:Vietnam
AGING; BACTERIA; CHILE; DENTAL CALCULUS; ECUADOR; EPIDEMIOLOGY; INDIA; LEBANON; MARYLAND; MONTANA; PERIODONTAL DISEASES; REVIEW; VIETNAM