Characterization of the accessory mental foramen as assessed by cone-beam computed tomography
DOI:
https://doi.org/10.20453/reh.v36i2.7187Keywords:
mental foramen, anatomical variation, cone-beam computed tomographyAbstract
Objective: To characterize the accessory mental foramen (AMF) using cone-beam computed tomography (CBCT). Materials and Methods: A descriptive, cross-sectional, retrospective, and observational study. A sample of 147 CCT scans from 2023 was evaluated, selected from a total of 340 images from the Oral and Maxillofacial Radiology Service at Cayetano Heredia University in Peru. The study included scans of adult patients of both sexes with optimal images and no artifacts in the region of interest. Cases presenting cystic, neoplastic, or traumatic lesions in the mandibular region were excluded. Results: The frequency of the FMA was higher in the male group (9.68%) than in the female group (5.88%). The most common location was distoinferior (36.36%). The mean diameter of the FMA was greater on the left side (1.89 mm ± 0.46 mm) compared to the right side (1.15 mm ± 0.41 mm). The mean distance between the FMA and the alveolar ridge was 16.22 mm ± 4.81 mm, with no significant differences between sides. Meanwhile, the average distance between the FMA and the main mental foramen was 2.33 mm ± 1.41 mm, which was shorter on the left side (1.74 mm ± 0.72 mm) compared to the right side (2.67 mm ± 1.64 mm). The FMA was more prevalent on the right side, although this difference was not statistically significant. Conclusions: It is concluded that the FMA had a prevalence of 7.48%. It was more common in males, predominantly located in the distoinferior position, with an average diameter of 1.42 mm, a distance from the alveolar ridge of 16.22 mm, and a distance from the mental foramen of 2.33 mm.
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References
Graber LW, Vanarsdall RL Jr, Vig KWL, editores. Ortodoncia: principios y técnicas actuales. 5.ª ed. Barcelona: Elsevier; 2013.
Norton NS. Netter's Head and Neck Anatomy for Dentistry. 2nd ed. Philadelphia: Elsevier; 2011.
Fernández JE. Foramen mentoniano accesorio: presentación de un caso y revisión de la bibliografía. Rev Arg Anat Clin. 2016;8(3):151-6. doi:10.31051/1852.8023.v8.n3.15384
Garay I, Cantín M. Accessory mental foramina assessed by cone-beam computed tomography: report of unilateral and bilateral detection. Int J Morphol. 2013;31(3):1104-8. doi:10.4067/S0717-95022013000300052
Barría-Pérez J, Castillo-Cubillos H, Rosas-Méndez C, et al. Frecuencia y caracterización de foramen mental accesorio en una población chilena mediante tomografía computarizada de haz cónico. Int J Morphol. 2021;39(5):1296-301. doi:10.4067/S0717-95022021000501296
Aljarbou F, Riyahi AM, Altamimi A, et al. Anatomy of the accessory mental foramen in a Saudi subpopulation: a multicenter CBCT study. Saudi Dent J. 2021;33(8):1012-7. doi:10.1016/j.sdentj.2021.06.005
Briner BA. Tomografía computada cone beam en articulación témporo mandibular (ATM). Rev Méd Clín Las Condes. 2014;25(5):843-9. doi:10.1016/S0716-8640(14)70115-4
Mohammadian F, Mahmoudi E, Moudi E, et al. Cone-beam computed tomography evaluation of accessory mental foramen in a selected Iranian population. Pak J Med Health Sci [Internet]. 2021;15(3):1019-21. Disponible en: https://pjmhsonline.com/2021/march/1019.pdf
Wei X, Gu P, Hao Y, et al. Detection and characterization of anterior loop, accessory mental foramen, and lateral lingual foramen by using cone beam computed tomography. J Prosthet Dent. 2020;124(3):365-71. doi:10.1016/j.prosdent.2019.06.026
Xiao L, Pang W, Bi H, et al. Cone beam CT-based measurement of the accessory mental foramina in the Chinese Han population. Exp Ther Med. 2020;20(3):1907-16. doi:10.3892/etm.2020.8954
Aytugar E, Özeren C, Lacin N, et al. Cone-beam computed tomographic evaluation of accessory mental foramen in a Turkish population. Anat Sci Int. 2019;94(3):257-65. doi:10.1007/s12565-019-00481-7
Lam M, Koong C, Kruger E, et al. Prevalence of accessory mental foramina: a study of 4,000 CBCT scans. Clin Anat. 2019; 32(8):1048-52. doi:10.1002/ca.23434
Yoon TY, Ahmadi AG, Saed NA, et al. Prevalence and anatomical characteristics of the accessory mental foramen: a study using cone beam computed tomography. Gen Dent. 2019;67(5):62-7.
Öztürk HP, Avsever IH, Gündüz K, et al. Frequency of accessory mental foramen and mandibular canal variations in dental implant patients: a retrospective CBCT study. J Stomatol. 2018;71(6):472-7. doi:10.5114/jos.2018.85562
Yovchev D, Mihaylova H, Stanimirov P, et al. Incidence, location and sizes of the accessory mental foramina in Bulgarian population assessed by cone-beam computed tomography. Biomed Res [Internet]. 2017;28(11):5122-6. Disponible en: https://www.alliedacademies.org/articles/incidence-location-and-sizes-of-the-accessory-mental-foramina-in-bulgarian-population-assessed-by-conebeam-computed-tomography.pdf
Zmysłowska-Polakowska E, Radwański M, Łęski M, et al. The assessment of accessory mental foramen in a selected Polish population: a CBCT study. BMC Med Imaging. 2017;17(1):17. doi:10.1186/s12880-017-0188-6
Tofiño-Medina JH, Arriola-Guillén LE, Rodríguez-Cárdenas YA, et al. Frequency of accessory mental foramen and anatomical variability of mental nerve anterior loop in a Peruvian population: a retrospective cone-beam computed tomography study. J Oral Res. 2020;9(3):202-11. doi:10.17126/joralres.2020.037
Delgadillo JR, Mattos-Vela MA. Location of the mental foramen and their accessories in Peruvian adults. Odovtos Int J Dent Sc. 2018;20(1):69-77. doi:10.15517/ijds.v0i0.30510
García-Lallana A, Viteri-Ramírez G, Saiz-Mendiguren R, et al. Ergonomía del puesto de trabajo en radiología. Radiología. 2011;53(6):507-15. doi:10.1016/j.rx.2011.06.007
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Copyright (c) 2026 Mauricio Nicolas Hidalgo Camacho, Alisson Valeri Vásquez Quispe, Leslie Sofia Yactayo Camargo, Roberto A. León-Manco, Vilma Elizabeth Ruiz García de Chacón
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