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Outcomes of autotransplanted teeth and prognostic factors: a 10-year retrospective study

 Sujin Yang  ;  Bock-Young Jung  ;  Nan-Sim Pang 
 Clinical Oral Investigations, Vol.23(1) : 87-98, 2019 
Journal Title
 Clinical Oral Investigations 
Issue Date
Adolescent ; Adult ; Female ; Humans ; Male ; Middle Aged ; Postoperative Complications ; Prognosis ; Retrospective Studies ; Tooth/transplantation* ; Transplantation, Autologous ; Treatment Outcome
Autotransplantation ; Postoperative complication ; Prognostic factor ; Survival analysis
OBJECTIVES: This retrospective study aimed to investigate the clinical outcome of tooth autotransplantation and related prognostic factors. MATERIALS AND METHODS: Eighty-two cases of transplanted teeth from March 2006 to December 2016 were retrospectively investigated by medical records and radiographs. The clinical outcomes of transplanted teeth, which included tooth survival, inflammatory root resorption (IRR), ankylosis, and marginal bone loss (MBL), and the related prognostic factors were assessed via survival analysis. RESULTS: The cumulative survival rate of transplanted teeth was 74% at 10 years after autotransplantation. According to Cox proportional hazards regression analysis, the eruption state of the donor tooth, recipient position, and postoperative MBL were significantly related to tooth survival. The donor tooth position was significantly associated with IRR, the recipient position and the timing of orthodontic initiation with ankylosis, and the recipient position with MBL. CONCLUSIONS: Fully erupted donor teeth and a bounded recipient site were significantly associated with longer tooth survival. Periodontal healing and management to prevent postoperative MBL were as important for successful autotransplantation. CLINICAL RELEVANCE: Knowledge about the prognostic factors that are significantly associated with each particular clinical outcome may guide clinicians to achieve predictable and successful outcomes after tooth transplantation.
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2. College of Dentistry (치과대학) > Dept. of Advanced General Dentistry (통합치의학과) > 1. Journal Papers
Yonsei Authors
Pang, Nan Sim(방난심) ORCID logo https://orcid.org/0000-0003-4265-673X
Jung, Bok Yeong(정복영) ORCID logo https://orcid.org/0000-0002-8186-2109
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