The effect of controlled oral hygiene procedures on the progression of periodontal disease in adults: results after two years.
D000293:Adolescent; D000328:Adult; D003728:Dental Calculus / Q000517:prevention & control; D003777:Dental Prophylaxis; D005500:Follow-Up Studies; D005882:Gingival Diseases / Q000453:epidemiology; D006801:Humans; D008403:Mass Screening; D009909:Oral Health; D010510:Periodontal Diseases / Q000517:prevention & control*