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International Journal of Morphology

On-line version ISSN 0717-9502

Abstract

BAENA-CALDAS, Gloria Patricia et al. Frequency of Canalis Sinuosus and its Anatomic Variations in Cone Beam Computed Tomography Images. Int. J. Morphol. [online]. 2019, vol.37, n.3, pp.852-857. ISSN 0717-9502.  http://dx.doi.org/10.4067/S0717-95022019000300852.

The aim of this paper was to determine the frequency of Canalis Sinuosus (CS) and its anatomic variations. A total of 236 cone beam computed tomography (CBCT) images were studied. Characteristics of the canal such as its form, pathway and diameter were analyzed. The CS was clearly visualized in 100 % of the images with variations in the canal observed in up to 46 % of the cases. In 79 % of the cases the variation was found to be bilateral. The most common variation was an increase in the diameter (> 1mm) of the CS. Considering that the anterior region of the middle third of the face is a common place for clinical interventions, this study supports the need to perform a thorough evaluation of the maxillary region prior to clinical interventions in order to prevent complications such as direct or indirect injury to the anterior superior alveolar neurovascular bundle contained within the CS.

Keywords : Maxillary nerve; Maxilla; Anatomic Variation; Tomography.

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