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ORIGINAL RESEARCH
Year : 2012  |  Volume : 3  |  Issue : 1  |  Page : 604-609

Comparison of mandibular foramen location between south indian vegetarians and non vegetarians - A radiographic study


1 Professor, Department of Conservative Dentistry and Endodontics, Sree Balaji Dental College, Bharath University, Pallikaranai, Chennai, India
2 Post Graduate Student, Department of Conservative Dentistry and Endodontics, Sree Balaji Dental College, Bharath University, Pallikaranai, Chennai, India
3 Reader, Department of Orthodontics, Sree Balaji Dental College, Bharath University, Pallikaranai, Chennai, India

Correspondence Address:
Dr. A Subbiya
Professor, Department of Conservative Dentistry and Endodontics, Sree Balaji Dental College, Bharath University, Pallikaranai, Chennai
India
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Source of Support: None, Conflict of Interest: None


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Aim : To establish the position of mandibular foramen in our South Indian population and to determine whether the difference in food habit could affect the anatomy of the mandible in terms of position of mandibular foramen. Materials and methods: One hundred digital panoramic radiographs (opgs) were selected out of which 50 belonged to vegetar- ians and 50 to non-vegetarians within the age group of 20-40 years. The following bony landmarks were marked on the radiographs: Mandibular Foramen (MF), Anterior border of the ramus (AB), Posterior border of the ramus (PB), Upper border of the ramus (UB), Lower border of the ramus (LB), Midpoint (MP), Angle of the mandible (A) and measure- ments were made from mandible to each border. Results: The results showed that the mandibular foramen is placed posterior to the midpoint with the ratio between the anterior border (AB) and posterior border (PB) being 1.7:1 in South Indian Vegetarians and 1.5:1 in South Indian Non-vegetarians. The ratio between upper border (UB) and lower border (LB) is 1:2.4 in South Indian Vegetarians and 1:2.2 in Non-vegetarians respectively. Conclusion: In comparison with other studies, the mandibular foramen is placed higher and more posterior in the set of population included in our study, particularly the vegetarians, which emphasizes a modification in the traditional inferior alveolar nerve block (IANB) technique to increase the success rate.


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