Journal of the Korean Academy of Pediatric Dentistry 2008;35(4):718-724.
Published online November 30, 2008.
IMPACTED PREMOLARS AND MOLARS ASSOCIATED WITH DENTIGEROUS CYSTS IN CHILDREN
Cha-Uk Shin, Young-Jae Kim, Jung-Wook Kim, Ki-Taek Jang, Sang-Hoon Lee, Chong-Chul Kim, Se-Hyun Hahn
Department of Pediatric Dentistry, College of Dentistry and Dental Research Institute, Seoul National University 
어린이에서 함치성 낭과 연관된 매복 소구치와 대구치의 치료
신차욱, 김영재, 김정욱, 장기택, 이상훈, 김종철, 한세현
서울대학교 치과대학 소아치과학교실 및 치학연구소
Correspondence:  Chong-Chul Kim,  Tel: 02-2072-3395, Email: kimcc@snu.ac.kr
Received: 4 April 2008   • Accepted: 8 July 2008
Abstract
Tooth impaction is a frequently observed eruption anomaly in pediatric dental practice. Young patients with impacted or unerupted teeth have more prediction for dentigerous cyst formation. Dentigerous cyst presents radiographic features, unilocular or multilocular radioluscency. Cysts occur most frequently in the premolar region except third molar. Dentigerous cysts can grow to a considerable size, and large cysts may be associated with a painless expansion of the bone in the involved area. Extensive lesions may result in facial asymmetry, osseous destruction, root resorption of proximal teeth and displacement of associated tooth. The nature of the causative tooth influences the type of surgical treatment required for the dentigerous cyst. If the cyst is associated with a supernumerary or wisdom tooth, complete enucleation of the cyst along with extraction of tooth may be the first treatment choice. Otherwise, preservation of the associated teeth should be considered to prevent a young patient from psychological and mental trauma because of the loss of tooth. We should consider the degree of tooth displacement, osseous destruction and growth pattern of oromaxillofacial area when planning treatment. Thus a proper and logical treatment planning can help a proper growth and development of oromaxillofacial area and can save the patient from a psychological and mental trauma. This report describes 4 cases of the management of impacted premolars and molars associated with dentigerous cysts in children.
Key Words: Dentigerous Cyst, Impaction, Premolar, Molar


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