The location of the mental foramen in relation to the biometrics of the lower dentition and mandibular arch: A cross-sectional study

Key, Yi Wen and Ng, Zi-Bin and Al-Namnam, Nisreen Mohammed and Nambiar, Phrabhakaran and Ngeow, Wei Cheong and Chai, Wen Lin and Lim, Zhi Yin Joan (2022) The location of the mental foramen in relation to the biometrics of the lower dentition and mandibular arch: A cross-sectional study. Italian Journal of Anatomy and Embryology, 125 (1). 103 – 119. ISSN 11226714, DOI https://doi.org/10.36253/ijae-13035.

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Abstract

Purpose: To evaluate the position of the mental foramen among Malaysian Malays and Chinese based on the biometrics of the lower dentition and mandibular arch dimensions. Materials and methods: The horizontal and vertical position of mental foramen in relation to the midline, roots of teeth, mesiodistal dimension of the anterior and posterior teeth, and the mandibular arch length and width were measured and evaluated in 65 Cone-Beam Computed Tomography scans. Results: The location of mental foramen was predominantly located either between 1st and 2nd premolar or below 2nd premolar. There were no significant differences for all measurements of the mandible in relation to gender and ethnicities. There was a positive correlation of the mesiodistal diameter of the teeth with the mandibular arch length and width. However, mandibular arch length and width did not affect the location of the mental foramen. Conclusions: As the size of the teeth increases, the mandibular arch length and the width increase concurrently. However, regardless of the changes in the biometrics of the mandibular dentition and the arch dimensions, the anatomical position of the mental foramen remains the same. The mental foramen was located at the ratio of 0.5 vertically and 0.27 horizontally in the mandible. The inter-foramina distance of 51.36 mm suggests that Malaysian Mongoloids had sufficient space to receive five implants rigidly joined with a bar. © 2021 Firenze University Press.

Item Type: Article
Funders: None
Uncontrolled Keywords: Anthropometry; CBCT; Malaysian Mongoloids; Mental foramen
Subjects: R Medicine > RK Dentistry > Oral surgery
Divisions: Faculty of Dentistry > Dept of Oral & Maxillofacial Surgery
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 01 Nov 2023 08:18
Last Modified: 01 Nov 2023 08:18
URI: http://eprints.um.edu.my/id/eprint/43528

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