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Avances en Odontoestomatología

versión impresa ISSN 0213-1285

Resumen

PINARES TOLEDO, J. et al. Variability of the maxillary sinuses and structures involved in their drainage path. Av Odontoestomatol [online]. 2012, vol.28, n.2, pp.89-94. ISSN 0213-1285.

Introduction: the disease of the sinuses, particularly the maxillary sinuses is common and can cause symptoms that simulate dental disease. Objective: to determine the anatomical variations of maxillary sinus and its drainage structures involved in using computerized tomography cone beam (CTCN). Materials and methods: The study included descriptive reviews of CTCN in 48 patients. In all cases analyzed a systematic study of the maxillary sinuses and anatomical structures involved in their drainage path, in the coronal, sagittal and axial planes. Results and conclusions: Morphological changes were identified in the internal maxillary sinus septum, the Haller's cell, uncinate process and ethmoid bulla. It was noted the presence of internal septum and maxillary sinus Haller cells in 76.74% and 16.28% of individuals, respectively. The horizontal uncinate process was observed in 79.07% of the subjects and the vertical at 20.93%. In addition, bilateral ethmoid bullae were identified in 62.79% of the cases. The sinus anatomical variations occur mainly marked by prenatal and postnatal development, linked to the overall pneumatization neumocraneo and structures that inhibit or enable their development. Beam computed tomography cone provides images that allow visualization and proper evaluation of the maxillary sinus and osteomeatal complex.

Palabras clave : Maxillary sinus; drainage pathway; anatomical variations; computed tomography cone-beam.

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