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http://dx.doi.org/10.5933/JKAPD.2013.40.4.260

Three Dimensional Analysis of Maxillary Mesiodens Using Dental CBCT and Relationship Between the Mesiodens and Diastema  

Kang, Eunjoo (Department of Pediatric Dentistry, School of Dentistry, Chonnam National University)
Choi, Namki (Department of Pediatric Dentistry, School of Dentistry, Chonnam National University)
Kim, Seonmi (Department of Pediatric Dentistry, School of Dentistry, Chonnam National University)
Publication Information
Journal of the korean academy of Pediatric Dentistry / v.40, no.4, 2013 , pp. 260-267 More about this Journal
Abstract
The aim of this study was to analyze the three dimensional characteristics of the size, shape and location of mesiodens and their effect on permanent teeth arrangement using Cone-beam computed tomography(CBCT). 191 patients under 15 years old who had visited the hospital between June 2006 and December 2012 and taken CBCT were investigated. Among them, 43 patients with diastema were analyzed to investigate the correlation between the amount of diastema and the mesiodens. The results showed that mesiodens were found in males 3.9 times more than females and found most in 7 years old. The mean length of mesiodens was 13 mm and the width was 6.8 mm. The conical shape comprised of 52.9%. Many mesiodens were located in the palatal side rather than the labial side and located vertically near the crown. 63.0% of mesiodens were reversed and the common complications were delayed eruption followed by diastema, and teeth rotation. And the amount of diastema had correlation with size and mesiodistal position of the mesiodens. The current study used 3D analysis to show the size and position of mesiodens and occurrence distribution of complication. Among these, the amount of diastema had shown the correlation with the size and mesiodistal position of mesiodens.
Keywords
Mesiodens; Complications; Diastema; CBCT;
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