Evaluation of mesiodens using Cone Beam Computed Tomography
DOI:
https://doi.org/10.59334/ROV.v1i20.299Keywords:
Intraosseous, mesiodens, cone beam computed tomographyAbstract
Background: Supernumerary teeth are defined as those in excess when compared to the normal series. Most of them remain unerupted. Mesiodens, usually located in the midline of upper jaw, are the most common, they can cause a variety of complications. The aim of this study was to evaluate the characteristics of intraosseous mesiodens and its relationship to neighboring anatomical structures, using Cone Beam Computed Tomography.
Material and Method: This is a non experimental, descriptive, cross sectional and retrospective study in Santiago, Metropolitan Region, Chile. Cone Beam images from 41 patients (44 cases) between 8 and 38 years old, who mainly consult for orthodontic treatment. To carry out this research, the DICOM files from the database of a Maxillofacial Imaging Center, were evaluated twice and the intra observer agreement was determined using Cohen’s Kappa test.
Results: The most common morphology corresponded to conical mesiodens. A large percentage of mesiodens were in inverted orientation, followed by those located horizontally. Contact with other teeth was found in over half of the cases, while 8% of adjacent numeraries showed root resorption. In half of the cases, contact with nasal cavity was found. It was found a significant percentage of contact of crowns and roots of mesiodens with nasopalatine duct. In a fifth of all cases, misalignment of adjacent teeth was established.
Conclusions: It can be concluded that Cone Beam Computed Tomography provides important information about supernumerary teeth position, pericoronary space, relationship to neighboring anatomical structures and possible alterations that they can cause.
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