RESEARCH ARTICLE


Assessment of the Horizontal and Vertical Position of Mental Foramen in Indian Population in Terms of Age and Sex in Dentate Subjects by Pano-ramic Radiographs: A Retrospective Study with Review of Literature



Priyanka Parnami 1, Deepak Gupta 2, *, Vishal Arora 3, Saurabh Bhalla 4, Adarsh Kumar 5, Rashi Malik 6
1 Department of Oral Medicine and Radiology, Pacific Dental College and Hospital, Udaipur, India
2 Department of Oral Medicine and Radiology, M.M. College of Dental Sciences and Research, Mullana, Ambala, Haryana, India
3 Department of Orthodontics, SKSS Dental College, Ludhiana, India
4 U.P.R.I.M.S. Saifai Medical College, Uttar Pradesh, India
5 Department of Endodontics, Purvanchal Institute of Dental Sciences, Gorakhpur, India
6 Department of Pedodontics, Sardar Patel Post graduate Institute of Dental and Medical Sciences, Lucknow, UP, India


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© Parnami et al.; Licensee Bentham Open.

open-access license: This is an open access article licensed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.

* Address correspondence to this author at the Department of Oral Medicine and Radiology, M.M. College of Dental Sciences and Research, Mullana, Ambala, Haryana, India; Pin: 133203; Tel: +91-9896671281; Fax: +91-1731-304111; +91-1731-304550; E-mail: drdeepak_26@rediffmail.com


Abstract

Objective : To familiarize new criteria to access vertical position of mental foramen in panoramic radiographs. Furthermore, to determine and compare the position and symmetry of mental foramen in horizontal as well as in vertical plane in Indian population and to compare the results with those reported for other populations in the literature. Further gender differences in mental foramen position were also accessed to comment on the reliability of panoramic radiographs for sex determination. Methods and Material : Six hundred digital panoramic radiographs were selected and studied regarding the location and symmetry of mental foramen. They were also compared with the other studies in the literature. The method employed is similar to that described by Al Jasser and Nwoku for horizontal position and Fishal et al. for vertical position of mental foramen. Certain modifications were carried out in Fishal’s criteria for vertical position assessment. Results : The commonest position of the mental foramen in horizontal plane was in line with the longitudinal axis of the second premolar (61.0%) while in vertical plane it was found to be located inferior to the apex of second premolar (72.2%). Conclusion : Mental foramen exists in different locations and possesses many variations. Hence, Individual, gender, age, race and assessing technique largely influence these variations. It suggests that the clinicians should carefully identify these anatomical landmarks, by analyzing all influencing factors, prior to their diagnostic or the other dental, surgical and implant operation.

Keywords: Horizontal position, mental foramen, panoramic radiographs, vertical position.