Analysis of anatomical landmarks of the mandibular interforaminal region using CBCT in a Brazilian population

Brazilian Journal of Oral Sciences

Paloma Rodrigues Genú¹  Ricardo José De Holanda Vasconcellos¹  Bruna Paloma De Oliveira¹  Bruna Caroline Gonçalves De Vasconcelos¹  Nádia Cristina Da Cruz Delgado¹ 

关键词: mandible;    cone-beam computed tomography;    surgery;    oral;    mandibular nerve;   

DOI  :  10.1590/1677-3225v13n4a12

来源: SciELO

【 摘 要 】

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 three-dimensional images of the mandibular anterior region, allowing proper surgical planning and preventing injury to the neurovascular bundle.

【 授权许可】

CC BY   
 All the contents of this journal, except where otherwise noted, is licensed under a Creative Commons Attribution License