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Brazilian Journal of Oral Sciences
Piracicaba Dental School - UNICAMP
EISSN: 1677-3225
Vol. 13, No. 4, 2014, pp. 303-307
Bioline Code: os14057
Full paper language: English
Document type: Research Article
Document available free of charge

Brazilian Journal of Oral Sciences, Vol. 13, No. 4, 2014, pp. 303-307

 en Analysis of anatomical landmarks of the mandibular interforaminal region using CBCT in a Brazilian population
Genú, Paloma Rodrigues; de Holanda Vasconcellos, Ricardo José; de Oliveira, Bruna Paloma; de Vasconcelos, Bruna Caroline Gonçalves & da Cruz Delgado, Nádia Cristina


Aim: To evaluate the position, presence, appearance and extent of various anatomical landmarks in the mandibular interforaminal region of Brazilian patients using cone-beam computed tomography (CBCT). Methods: A total of 142 CBCT examinations were analyzed to determine the most common location of the mental foramen (MF), the presence and extent of the anterior loop (AL) of the inferior alveolar nerve, and the appearance and length of the incisive canal (IC). The presence of sexual dimorphism and differences with relation to the left and right sides were also evaluated. Results: Most of the MF (45.5%) was located below the second premolar. The AL and the IC were observed in 18.9 and 96.5% of the images respectively. The average length of AL and IC was 3.14±1.25 mm and 13.68±5.94 mm respectively. No significant differences (p>0.05) between genders or left and right sides were observed for all evaluated parameters. Conclusions: The most common location of the MF, the high rate of visualization of the IC and the occasional presence of AL in the studied Brazilian population demonstrate the importance of using threedimensional images of the mandibular anterior region, allowing proper surgical planning and preventing injury to the neurovascular bundle.

mandible; cone-beam computed tomography; surgery; oral; mandibular nerve

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