title: [Treatment of periodontal disease: Part IV. Surgical therapy for severely damaged teeth with periodontitis].
authors.forename: Xiang-ying
authors.initials: XY
authors.lastname: Ouyang
authors.forename: Cai-fang
authors.initials: CF
authors.lastname: Cao
mesh_terms: D016301:Alveolar Bone Loss / Q000601:surgery; D006801:Humans; D008963:Molar / Q000293:injuries / Q000601:surgery; D010518:Periodontitis / Q000601:surgery*; D014092:Tooth Root / Q000293:injuries / Q000601:surgery