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CES Odontología
versión impresa ISSN 0120-971X
Resumen
SILVA DE ALMEIDA, Joelma et al. Topographic analysis of the relationship of lower third molars with the mandibular canal through computerized tomographies. CES odontol. [online]. 2019, vol.32, n.1, pp.3-14. ISSN 0120-971X. https://doi.org/10.21615/cesodon.32.1.1.
Introduction and objective:
The mandibular canals are anatomical structures that extend from the mandibular foramen to the mental foramen, and the interior of the mandibular canal is located the nerve, artery and inferior alveolar vein. To verify the anatomical topography of third molars in relation to their respective mandibular channels through Computerized Tomography of a database.
Materials and methods:
48 patients with bilateral third molars were obtained by a Helicoidal Multislice Computed Tomography, General Eletric® from the database of a private clinic in Teresina-PI and analyzed.
Results:
For the third molars included, the null distance in relation to the mandibular canal was the most prevalent (59.68%), while the position of the roots presented in most cases superior (53.13%) and vestibular (45.3%) in relation to the mandibular canal. This was generally close to the lingual cortical (79.17%).
Conclusion:
There was a higher prevalence of null distance from the root apexes to the canal when third molars were included (most mesioangulated) and superior to the canal when they were erupted. In the vertical direction, the root apexes were more often in the position superior to the canal. In the horizontal aspect, the root apices were more vestibular to the mandibular canal. And this was often close to the lingual cortical.
Palabras clave : Tomography; Mandibular Nerve; Molar Third.