title: A century of British periodontology.
mesh_terms: D003773:Dental Plaque / Q000266:history; D005892:Gingivitis, Necrotizing Ulcerative / Q000266:history; D049672:History, 19th Century; D049673:History, 20th Century; D006801:Humans; D010517:Periodontics / Q000266:history*; D012953:Societies, Dental / Q000266:history; D006113:United Kingdom