Journal of the Korean Academy of Pediatric Dentistry 2010;37(3):381-386.
Published online August 31, 2010.
INTENTIONAL REPLANTATION OF THE CROWN-ROOT FRACTURED TOOTH: A CASE REPORT
Soo-Kyoung Kim, Seung-Tae Ahn, Sung-Chul Choi, Kwang-Chul Kim, Jae-Hong Park
Department of Pediatric Dentistry, School of Dentistry, Kyung-Hee University 
치관-치근 파절된 치아의 의도적 재식술 치험례
김수경, 안승태, 최성철, 김광철, 박재홍
경희대학교 치과대학 소아치과학교실
Correspondence:  Jae-Hong Park,  Tel: 02-958-9373, Email: khupedo@khu.ac.kr
Received: 15 July 2010   • Accepted: 13 August 2010
Abstract
As the vertical fracture occurs at the various locations following the long axis of a root, treatment method of crown-root fractured anterior teeth is decided according to the depth. If the fracture line is close to the crown, gingivectomy, orthodontic - forced eruption or surgical extrusion of apical fragment could be done. If the line is over 1/3 length of the root, the prognosis is poor and extraction is usually undertaken. However, extraction of maxillary incisor at growing children causes many complications such as esthetic, phonetic problem and alveolar bone resorption. Therefore, preservation of tooth is the highest priority. Recently, intentional replantation with composite resin could be considered as alternative treatment of crown-root fractured anterior tooth. This report presents a patient in mixed dentition with deep vertical crown-root fracture of the maxillary permanent central incisors by trauma. Intentional replantation of the fractured teeth was performed using composite resin. After 2 years, specific clinical symptom has not been found and the patient was satisfied of esthetic result. This method suggests the new technique to preserve a tooth as an alternative to extraction, although it is technically sensitive and the reports of long-term prognosis is insufficient.
Key Words: Trauma, Crown-root fracture, Intentional replantation


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