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Year : 2014  |  Volume : 2  |  Issue : 1  |  Page : 21-26

Comparison of axial and sagittal views for angulation, cuspal tip distance, and alveolus width in maxillary impacted canines using CBCT

1 Department of Orthodontics and Dentofacial Orthopaedics, Dr. Syamala Reddy Dental College Hospital and Research Centre, Bengaluru, Karnataka, India
2 Consultant Oral And Maxillofacial Radiologist, ORAL-D (Digital Dental Diagnostic Centre), Bengaluru, Karnataka, India

Correspondence Address:
N M Uday
Department of Orthodontics and Dentofacial Orthopaedics, Dr. Syamala Reddy Dental College Hospital and Research Centre, #111/1 SGR College Main Road, Munnekolala, Marathalli (post), Bengaluru - 560 037, Karnataka
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/2321-3825.125919

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Introduction: Three-dimensional (3D) cone-beam computed imaging allows localization of impacted canines, using spatial relationships with excellent tissue contrast. The aim of this study was to compare different views to assess exact localization of impacted maxillary canine using Kodak 9000 (France). Materials and Methods: In this study, 24 consecutive subjects with seven bilateral (considered as two samples) and 17 unilateral impacted maxillary canines were selected and subjected to cone-beam computed tomography (CBCT); axial and sagittal views were captured to localize the exact position of the impacted canine to the occlusal plane and its relation with adjacent incisors. Results: Mean angulation of 37.57° and 40.27° for axial (horizontal) and sagittal (vertical) views, respectively. A correlation was found between the proximity of the impacted canine to the incisors and their resorption (c2: 19.584). Cuspal tip distance was higher in sagittal view than in the axial view (P < 0.05). Conclusion: Depending upon the type of impaction both sagittal and axial views showed significant variation with axial view having predominant values. Therefore, CBCT images can allow the operator to assess the direction of impacted canine, amount of surrounding alveolus bone, local anatomic considerations, resorption, and condition of adjacent teeth; thereby, improving quality of orthodontic treatment planning and as well as surgical approach.

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