Journal of the Korean Academy of Pediatric Dentistry 2007;34(4):651-657.
Published online November 30, 2007.
THE ERUPTION GUIDANCE OF AN IMPACTED TOOTH ASSOCIATED WITH A COMPLEX ODONTOMA : CASE REPORT
Jung-Ah Pack, Kyu-Ho Yang, Nam-Ki Choi, Seon-Mi Kim
Department of Pediatric Dentistry, Chonnam National University School of Dentistry, Dental Research Institute and Second stage of BK21 
Correspondence:  Kyu-Ho Yang,  Tel: 82-62-220-5476, Email: hellopedo@hanmail.net
Abstract
Odontomas are the common type of odontogenic tumors and generally are asymptomatic and frequently lead to impaction or delayed eruption of permanent teeth. They are composed of enamel, dentin, cementum and pulp tissue and are divided into compound and complex according to the morphology of the hard tissues. Compound odontomas consist of varying numbers of small toothlike structure and have a predilection for the maxillary anterior regions. Complex odontomas consist of an unorganized mass of odontogenic tissues and comprise approximately 25 percent of all odontomas and have a predilection for the mandibular posterior regions. The etiology of odontomas is uncertain but hypothesized to involve local trauma, infection and genetic factors. Treatment of odontoma is conservative surgical removal and are little probability of recurrence. These two cases were about the patients with delayed eruption of mandibular first molar and mandibular lateral incisor. We surgically removed odontoma, exposed impacted tooth and guided impacted tooth into normal position by orthodontic traction. At the completion of traction, the mandibular first molar and mandibular lateral incisor was positioned fairly within the arch and complications such as root resorption were not observed.
Key Words: Odontomas, Delayed eruption, Orthodontic traction


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