• Preeti Singh, Biplob Adhikari, Sushmit Koju, Sujaya Gupta, Megha Pradhan, Deepa Gurung, and Ujjwal Joshi.
• Department of Oral Pathology and Microbiology, Kathmandu Medical College and Teaching Hospital, Duwakot, Bhaktapur, Nepal.
• JNMA J Nepal Med Assoc. 2023 Oct 1; 61 (266): 787790787-790.

IntroductionAmong many anatomical landmarks in the human skull, the mental foramen is a stable landmark on the mandible. The diverse morphology of the mandible indicates the specific characteristics of such anatomical structures in each individual. The aim of this study was to find out the mean distance of mental foramen from the inferior border of the mandible visiting the Outpatient Dental Department in a tertiary care centre.MethodsA descriptive cross-sectional study was conducted among patients undergoing orthopantomogram in the Outpatient Dental Department of a tertiary care centre from 3 February 2022 to 31 July 2022. Ethical approval was obtained from the Institutional Review Committee. The patients with complete denture in the region of measurements were included in the study. A convenience sampling method was used. The point estimate was calculated at a 95% Confidence Interval.ResultsAmong 207 patients, the mean distance from the inferior border of the mandible to the lower border of the mental foramen was 11.83±1.83 mm (11.58-12.07, 95% Confidence Interval).ConclusionsThe mean distance of mental foramen from the inferior border of the mandible was found to be similar to other studies done in similar settings.Keywordsgender; mandible; mental foramen.

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