Journal of the Korean Academy of Pediatric Dentistry 1997;24(4):727-733.
Published online November 30, 1997.
AUTOTRANSPLANTATION OF TRANSPOSITIONED MAXILLARY CENTRAL INCISOR WITH MESIODENS AND IMPACTED MAXILLARY CANINE : A CASE REPORT
 
과잉치를 동반한 상악 중절치 전위와 상악 견치 매복에서 자가이식에 의한 치험례
남동우, 김현정, 남순현, 김영진
경북대학교 치과대학 소아치과학교실
Abstract
Autotransplantation is a procedure which transplants teeth from the original position to other positions in the same individual. It is classified surgical reposition by intraalveolar autotransplantation and transalveolar autotransplantation. The prognosis for successful autotransplantation is dependent on a number of factors such as root development, surgical technique, patient's age, endodontic treatment, time and type of splinting, preservation of periodontal ligament and storage medium. The most important factor is preservation of periodontal ligament. The cause of the failure of transplantation include damage of the transplant during removal from deep palatal malposition, poor regeneration of the bone around the transplant and chronic periodontal infection. In case I, Impacted maxillary canine for which surgical exposure and orthodontic treatment was impossisle was transplanted. After 2 weeks, It showed periapical radiolucency and external root resorption. So, endodontic treatment was done. One year later, permanent filling was done with gutta percha. In case II, Transpositioned maxillary central incisor was transplanted after extraction of impacted mesiodens. Pulp vitality was maintained during 5 months without other clinical symptons.


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