Journal of the Korean Academy of Pediatric Dentistry 2007;34(3):481-489.
Published online August 31, 2007.
Su-Kyoung Kim, Byeong-Ju Baik, Jae-Gon Kim, Yeon-Mi Yang
Department of Pediatric Dentistry and Institute of Oral Bioscience, School of Dentistry, Chonbuk National University 
자가이식을 이용한 상악 매복 견치의 치료
김수경, 백병주, 김재곤, 양연미
전북대학교 치과대학 소아치과학교실 및 구강생체과학연구소
Correspondence:  Jae-Gon Kim,  Tel: 063-250-2121, 2223, Fax: 063-250-2131, Email:
Maxillary canine impaction is a frequently encountered clinical problem, and it may cause the resorption of adjacent tooth or cystic change. Treatment plan for maxillary canine impaction should be decided among extraction, orthodontic traction and autotransplantation according to several factors such as direction and position of unerupted tooth, degree of developing root apex, eruption space, exsitance of supernumerary tooth, odontoma, or cyst. Autotransplantation is a valuable alternative to extraction of impacted teeth, where surgical exposure and subsequent orthodontic realignment are difficult or impossible due to unfavorable impaction position. And its prognosis is dependent on a number of factors such as preservation of periodontal ligament, degree of root development, surgical technique, patient's age, endodontic treatment, time and type of splinting and storage medium, etc. The patients in these cases visited our dental clinic in the late permanent dentition with the chief complaint of unerupted maxillary canines. And it was thought that the spontaneous eruption guidance or orthodontic traction and alignment were difficult because of its unfavorable impacted position. Therefore, autotransplantaion and endodontic treatment were done and have been checked periodically until now.
Key Words: Maxillary canine impaction, Autotransplantaion, Periodontal ligament

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