title: Canadian Academy of Periodontology endorses importance of NIH study on Keyes method.
mesh_terms: D000293:Adolescent; D000328:Adult; D002170:Canada; D002648:Child; D006801:Humans; D009316:National Institutes of Health (U.S.); D010510:Periodontal Diseases / Q000628:therapy*; D010517:Periodontics; D012107:Research Design; D012953:Societies, Dental; D014481:United States