Browsing by Author "Al Muhairi, Eman"

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    Evaluation of Mental Foramen and Mandibular Canal Course and Location in an Emirati Subpopulation
    (2024) Alazemia, Abdulaziz; Al Muhairi, Eman; Abdunabi, Farida; Chaudhry, Jahanzeb; Moharamzadeh, Keyvan; El Abed, Rashid; Jamal, Mohamed
    Abstract Introduction and aims: Violations of the mandibular canal (MC) and mental foramen (MF)and subsequent injuries to their neurovascular bundle have been reported after surgical and nonsurgical dental procedures. Besides using advanced technologies such as cone-beam computed tomography (CBCT), clinicians should be aware of the anatomy and location of MCand MFin different populations. This study aims to describe the morphologic characteristics of the MF, MC, and its intrabony location in relation to the apices of mandibular posterior teeth in an Emirati subpopulation using CBCT. Methods: A total of 3700 CBCT scans were screened, and 154 scans that met the inclusion and exclusion criteria were randomly selected. The scans were assessed using 3-dimensional multiplanar imaging for the following structures: the location of MF and the MC course, its intrabony location, and its relationship to the apices of the mandibular posterior teeth. The data were analysed statistically using SPSS software. Results: The MC ran lingually and inferiorly at the posterior region and became more buccal and superior towards the MF. The distal root of the mandibular second molar was found to be the closest root to the MC (2.06 § 1.83 mm). Moreover, the most common location of the MFwasdistal to the contact area between the 2 premolars (0.83 § 1.84 mm) with a significant negative correlation to age (with and increase in age, the MF moves distally). The distance between the root apices and the MC was statistically significantly affected by age (positive correlation) and gender (male patients had a greater distance). Conclusions: The common course of the MC is lingual and inferior posteriorly and becomes more buccal and superior towards the MF, which is located mostly between the mandibular first and second premolars. Furthermore, the distal root of the mandibular second molar is the closest to the MC and has a positive relationship with age.