title: [A half century of periodontics].
mesh_terms: D005060:Europe; D049673:History, 20th Century; D006801:Humans; D007391:International Cooperation; D010510:Periodontal Diseases / Q000628:therapy*; D010517:Periodontics / Q000266:history*; D012106:Research
vernacular_title: Un demi-siècle de parodontologie.