Autotransplantation of immature third molars using a computer-aided rapid prototyping model: A report of 4 cases

Ji Hyun Jang, Seung Jong Lee, EuiSeong Kim

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Abstract

AbstractIntroduction Autotransplantation of immature teeth can be an option for premature tooth loss in young patients as an alternative to immediately replacing teeth with fixed or implant-supported prostheses. The present case series reports 4 successful autotransplantation cases using computer-aided rapid prototyping (CARP) models with immature third molars. Methods The compromised upper and lower molars (n = 4) of patients aged 15-21 years old were transplanted with third molars using CARP models. Postoperatively, the pulp vitality and the development of the roots were examined clinically and radiographically. The patient follow-up period was 2-7.5 years after surgery. Results The long-term follow-up showed that all of the transplants were asymptomatic and functional. Radiographic examination indicated that the apices developed continuously and the root length and thickness increased. The final follow-up examination revealed that all of the transplants kept the vitality, and the apices were fully developed with normal periodontal ligaments and trabecular bony patterns. Conclusions Based on long-term follow-up observations, our 4 cases of autotransplantation of immature teeth using CARP models resulted in favorable prognoses. The CARP model assisted in minimizing the extraoral time and the possible Hertwig epithelial root sheath injury of the transplanted tooth.

Original languageEnglish
Pages (from-to)1461-1466
Number of pages6
JournalJournal of Endodontics
Volume39
Issue number11
DOIs
Publication statusPublished - 2013 Nov 1

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All Science Journal Classification (ASJC) codes

  • Dentistry(all)
  • Medicine(all)

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