Prognostic Factors for Clinical Outcomes in Autotransplantation of Teeth with Complete Root Formation

Survival Analysis for up to 12 Years

Youngjune Jang, Yoon Jeong Choi, Seung Jong Lee, Byoung Duck Roh, Sang Hyuk Park, Euiseong Kim

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Introduction Tooth autotransplantation is a treatment option that has the potential to restore masticatory function and esthetics to edentulous spaces resulting from extracted teeth. The purpose of this study was to investigate the prognostic factors and clinical outcomes for autotransplanted teeth with complete root formation. Methods Patients who had received tooth autotransplantation in the Department of Conservative Dentistry, Yonsei University Dental Hospital, Seoul, Korea, from July 2001 to August 2010 were electronically searched, and a total of 105 cases of autotransplanted teeth met the inclusion criteria. Tooth survival, inflammatory root resorption (IRR), ankylosis, and related prognostic factors were assessed by using the survival analysis that was based on clinical and radiographic examination. Results The cumulative tooth survival rate was 68.2% at 12 years after the tooth autotransplantation. According to the Cox proportional hazard regression analysis, patient age, donor position, and extraoral time were significantly associated with tooth survival (P <.05). Donor extraction type was significantly associated with IRR (P <.05), and transplantation timing and initial stability were significantly associated with ankylosis (P <.05) Conclusions Patients less than 45 years of age, maxillary donor teeth, and an extraoral time of less than 15 minutes were associated with significantly higher tooth survival. Surgical extraction of the donor tooth was associated with a significantly higher incidence of IRR. Immediate transplantation after the extraction of the recipient site's tooth and low initial stability were associated with a significantly lower incidence of ankylosis.

Original languageEnglish
Pages (from-to)198-205
Number of pages8
JournalJournal of Endodontics
Volume42
Issue number2
DOIs
Publication statusPublished - 2016 Feb 1

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Autologous Transplantation
Survival Analysis
Tooth
Root Resorption
Ankylosis
Tissue Donors
Transplantation
Tooth Extraction
Incidence
Korea
Dentistry
Esthetics
Survival Rate

All Science Journal Classification (ASJC) codes

  • Dentistry(all)

Cite this

Jang, Youngjune ; Choi, Yoon Jeong ; Lee, Seung Jong ; Roh, Byoung Duck ; Park, Sang Hyuk ; Kim, Euiseong. / Prognostic Factors for Clinical Outcomes in Autotransplantation of Teeth with Complete Root Formation : Survival Analysis for up to 12 Years. In: Journal of Endodontics. 2016 ; Vol. 42, No. 2. pp. 198-205.
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abstract = "Introduction Tooth autotransplantation is a treatment option that has the potential to restore masticatory function and esthetics to edentulous spaces resulting from extracted teeth. The purpose of this study was to investigate the prognostic factors and clinical outcomes for autotransplanted teeth with complete root formation. Methods Patients who had received tooth autotransplantation in the Department of Conservative Dentistry, Yonsei University Dental Hospital, Seoul, Korea, from July 2001 to August 2010 were electronically searched, and a total of 105 cases of autotransplanted teeth met the inclusion criteria. Tooth survival, inflammatory root resorption (IRR), ankylosis, and related prognostic factors were assessed by using the survival analysis that was based on clinical and radiographic examination. Results The cumulative tooth survival rate was 68.2{\%} at 12 years after the tooth autotransplantation. According to the Cox proportional hazard regression analysis, patient age, donor position, and extraoral time were significantly associated with tooth survival (P <.05). Donor extraction type was significantly associated with IRR (P <.05), and transplantation timing and initial stability were significantly associated with ankylosis (P <.05) Conclusions Patients less than 45 years of age, maxillary donor teeth, and an extraoral time of less than 15 minutes were associated with significantly higher tooth survival. Surgical extraction of the donor tooth was associated with a significantly higher incidence of IRR. Immediate transplantation after the extraction of the recipient site's tooth and low initial stability were associated with a significantly lower incidence of ankylosis.",
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Prognostic Factors for Clinical Outcomes in Autotransplantation of Teeth with Complete Root Formation : Survival Analysis for up to 12 Years. / Jang, Youngjune; Choi, Yoon Jeong; Lee, Seung Jong; Roh, Byoung Duck; Park, Sang Hyuk; Kim, Euiseong.

In: Journal of Endodontics, Vol. 42, No. 2, 01.02.2016, p. 198-205.

Research output: Contribution to journalArticle

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N2 - Introduction Tooth autotransplantation is a treatment option that has the potential to restore masticatory function and esthetics to edentulous spaces resulting from extracted teeth. The purpose of this study was to investigate the prognostic factors and clinical outcomes for autotransplanted teeth with complete root formation. Methods Patients who had received tooth autotransplantation in the Department of Conservative Dentistry, Yonsei University Dental Hospital, Seoul, Korea, from July 2001 to August 2010 were electronically searched, and a total of 105 cases of autotransplanted teeth met the inclusion criteria. Tooth survival, inflammatory root resorption (IRR), ankylosis, and related prognostic factors were assessed by using the survival analysis that was based on clinical and radiographic examination. Results The cumulative tooth survival rate was 68.2% at 12 years after the tooth autotransplantation. According to the Cox proportional hazard regression analysis, patient age, donor position, and extraoral time were significantly associated with tooth survival (P <.05). Donor extraction type was significantly associated with IRR (P <.05), and transplantation timing and initial stability were significantly associated with ankylosis (P <.05) Conclusions Patients less than 45 years of age, maxillary donor teeth, and an extraoral time of less than 15 minutes were associated with significantly higher tooth survival. Surgical extraction of the donor tooth was associated with a significantly higher incidence of IRR. Immediate transplantation after the extraction of the recipient site's tooth and low initial stability were associated with a significantly lower incidence of ankylosis.

AB - Introduction Tooth autotransplantation is a treatment option that has the potential to restore masticatory function and esthetics to edentulous spaces resulting from extracted teeth. The purpose of this study was to investigate the prognostic factors and clinical outcomes for autotransplanted teeth with complete root formation. Methods Patients who had received tooth autotransplantation in the Department of Conservative Dentistry, Yonsei University Dental Hospital, Seoul, Korea, from July 2001 to August 2010 were electronically searched, and a total of 105 cases of autotransplanted teeth met the inclusion criteria. Tooth survival, inflammatory root resorption (IRR), ankylosis, and related prognostic factors were assessed by using the survival analysis that was based on clinical and radiographic examination. Results The cumulative tooth survival rate was 68.2% at 12 years after the tooth autotransplantation. According to the Cox proportional hazard regression analysis, patient age, donor position, and extraoral time were significantly associated with tooth survival (P <.05). Donor extraction type was significantly associated with IRR (P <.05), and transplantation timing and initial stability were significantly associated with ankylosis (P <.05) Conclusions Patients less than 45 years of age, maxillary donor teeth, and an extraoral time of less than 15 minutes were associated with significantly higher tooth survival. Surgical extraction of the donor tooth was associated with a significantly higher incidence of IRR. Immediate transplantation after the extraction of the recipient site's tooth and low initial stability were associated with a significantly lower incidence of ankylosis.

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