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Korean J Oral Maxillofac Radiol. 2008 Jun;38(2):103-107. Korean. Original Article.
Jung YH , Nah KS , Cho BH .
Department of Oral and Maxillofacial Radiology, College of Dentistry, Pusan National University, Busan, Korea.

PURPOSE: The purpose of this study was to evaluate the relationship between the position of mesiodens and its complications. MATERIALS AND METHODS: The subjects for this study consisted of 172 patients with mesiodens. Panoramic radiographs and cross-sectional tomography were taken of all of the subjects. Their clinical records and radiographs were analyzed in order to study the direction and vertical and sagittal position of mesiodens, as well as complications caused by mesiodens. RESULTS: The number of mesiodens was one in 112 cases (65.1%) and two in 60 cases (34.9%). Complications were found in 121 mesiodentes (52.2%), with being median diastema the most frequent. The incidence of complications was high in erupted mesiodens (75.0%), in horizontal mesiodens (89.8%) and in mesiodens located within the arch (75.7%), but was low in mesiodens impacted above apex (29.8%), in normal position (34.4%) and in palatally positioned mesiodens (46.5%). CONCLUSION: It was suggested that the frequency of complications was different according to the vertical position, the direction of the crown and the sagittal position.

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