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Autotransplantation of an ectopic impacted premolar with sinus lift and allogenic bone graft

 N. S. Pang  ;  Y. K. Choi  ;  K. D. Kim  ;  W. Park 
 INTERNATIONAL ENDODONTIC JOURNAL, Vol.44(10) : 967-975, 2011 
Journal Title
Issue Date
Adolescent ; Bicuspid/transplantation* ; Bone Transplantation/methods* ; Calcium Hydroxide/therapeutic use ; Dental Pulp Necrosis/etiology ; Dental Pulp Necrosis/therapy ; Follow-Up Studies ; Graft Survival ; Humans ; Male ; Maxilla/surgery* ; Postoperative Complications ; Root Canal Irrigants/therapeutic use ; Root Canal Obturation ; Root Canal Therapy ; Sinus Floor Augmentation/methods* ; Tooth Eruption, Ectopic/surgery* ; Tooth Socket/surgery ; Tooth, Impacted/surgery* ; Transplantation, Autologous ; Transplantation, Homologous
allogenic bone graft ; autogenous tooth transplantation ; ectopic impacted tooth ; periodontal ligament cell ; recipient alveolar bone insufficiency ; sinus lift
AIM: This article presents a case report of autogenous tooth transplantation to a site which had insufficient bone volume using a sinus lift and allogenic bone graft. SUMMARY: An ectopic, fully impacted premolar tooth was autotransplanted from its ectopic impaction site into its original site, where there was insufficient recipient vertical bone volume because of sinus expansion. The deciduous tooth was extracted from the recipient site, and the sinus membrane detached and elevated via the alveolar socket. Allogenic bone grafting was performed, and the impacted premolar was transplanted into the prepared site. To improve adaptation, the recipient site was prepared using a rapid prototype tooth model, a replica tooth which allowed complete socket preparation in advanced of the actual removal of the donor tooth. The donor tooth was fixed with sutures and maintained for 17 days to allow physiologic movement. Root canal treatment was initiated 24 days after autotransplantation, and an intra-canal medicament was used for 4 months. Canal filling was completed 5 months after autotransplantation. There was no root resorption of the transplanted tooth, and the grafted bone was well preserved and had no signs of infection. KEY LEARNING POINTS: When the recipient bone volume is insufficient, autotransplantation can be preceded by bony augmentation. The preparation of the recipient tooth socket using a tooth replica from CBCT reduces the extra-oral time of the actual tooth and promotes better periodontal ligament healing. Careful evaluation of the pulp status of the donor tooth is important in advance of timely endodontic treatment
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2. College of Dentistry (치과대학) > Dept. of Advanced General Dentistry (통합치의학과) > 1. Journal Papers
Yonsei Authors
Kim, Kee Deog(김기덕) ORCID logo https://orcid.org/0000-0003-3055-5130
Park, Wonse(박원서) ORCID logo https://orcid.org/0000-0002-2081-1156
Pang, Nan Sim(방난심) ORCID logo https://orcid.org/0000-0003-4265-673X
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