Cone-Beam Computed Tomography Evaluation of Mental Foramen Variations: A Preliminary Study

  • Sheikhi M
  • Karbasi Kheir M
  • Hekmatian E
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Abstract

Background . Mental foramen is important in surgical operations of premolars because it transfers the mental nerves and vessels. This study evaluated the variations of mental foramen by cone-beam computed tomography among a selected Iranian population. Materials and Methods . A total number of 180 cone-beam computed tomography projections were analyzed in terms of shape, size, direction, and horizontal and vertical positions of mental foramen in the right and left sides. Results . The most common shape was oval, opening direction was posterior-superior, horizontal position was in line with second premolar, and vertical position was apical to the adjacent dental root. The mean of foremen diameter was 3.59 mm. Conclusion . In addition to the most common types of mental foramen, other variations exist, too. Hence, it reflects the significance of preoperative radiographic examinations, especially 3-dimensional images to prevent nerve damage.

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Sheikhi, M., Karbasi Kheir, M., & Hekmatian, E. (2015). Cone-Beam Computed Tomography Evaluation of Mental Foramen Variations: A Preliminary Study. Radiology Research and Practice, 2015, 1–5. https://doi.org/10.1155/2015/124635

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