title: Rescue of a periodontally compromised tooth by non-surgical treatment: a case report.
abstract: OBJECTIVE
  This article describes a case of the successful non-surgical management of a periodontally compromised maxillary premolar.
  
  
  METHODS
  A combination therapy, including root planing, occlusal adjustment, and tooth splinting, was applied. Clinical and radiographic examinations were performed during the 16-month follow-up period.
  
  
  RESULTS
  All periodontal parameters were improved. There were dramatic decreases (3-6 mm) in the probing pocket depth, tooth mobility, and marginal bone loss. Interestingly, gradual resolution of the periapical radiolucency and alveolar bone regeneration were observed in the radiographs, and the periodontal condition was maintained during the follow-up period.
  
  
  CONCLUSIONS
  Within the limits of this study, these results demonstrate the importance of natural tooth preservation through proper periodontal treatment and occlusal adjustment of the periodontally compromised tooth, which is typically targeted for tooth extraction and dental implantation.
authors.affiliation: Department of Periodontology, Seoul National University School of Dentistry, Seoul, Korea .
authors.forename: Young-Dan
authors.identifier: 0000-0002-4694-5988
authors.initials: YD
authors.lastname: Cho
authors.affiliation: Department of Periodontology, Seoul National University School of Dentistry, Seoul, Korea .
authors.forename: Sungtae
authors.identifier: 0000-0001-6361-4104
authors.initials: S
authors.lastname: Kim
authors.affiliation: Department of Periodontology, Seoul National University School of Dentistry, Seoul, Korea .
authors.forename: Ki-Tae
authors.identifier: 0000-0002-9809-2630
authors.initials: KT
authors.lastname: Koo
authors.affiliation: Department of Periodontology, Seoul National University School of Dentistry, Seoul, Korea .
authors.forename: Yang-Jo
authors.identifier: 0000-0002-2076-5452
authors.initials: YJ
authors.lastname: Seol
authors.affiliation: Department of Periodontology, Seoul National University School of Dentistry, Seoul, Korea .
authors.forename: Yong-Moo
authors.identifier: 0000-0002-5619-3847
authors.initials: YM
authors.lastname: Lee
authors.affiliation: Department of Periodontology, Seoul National University School of Dentistry, Seoul, Korea .
authors.forename: In-Chul
authors.identifier: 0000-0003-4110-6381
authors.initials: IC
authors.lastname: Rhyu
authors.affiliation: Department of Periodontology, Seoul National University School of Dentistry, Seoul, Korea .
authors.forename: Young
authors.identifier: 0000-0001-5682-0604
authors.initials: Y
authors.lastname: Ku
keywords: Bone regeneration; Occlusal adjustment; Periodontitis; Traumatic dental occlusion