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. 2009 Feb;107(2):289-94.
doi: 10.1016/j.tripleo.2008.09.010. Epub 2008 Dec 13.

Accessory mental foramen assessment using cone-beam computed tomography

Munetaka Naitoh  1 , Yuichiro Hiraiwa, Hidetoshi Aimiya, Kenichi Gotoh, Eiichiro Ariji
Affiliations

Accessory mental foramen assessment using cone-beam computed tomography

Munetaka Naitoh et al. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2009 Feb.

Abstract

Objective: The purpose of the present study was to assess the accessory mental foramen using cone-beam computed tomography (CBCT) images.

Study design: A total of 157 patients were enrolled in this investigation. The mental and accessory mental foramina, which show continuity with the mandibular canal, were assessed using axial and cross-sectional, 2-dimensional CBCT images. The sizes of the mental and accessory mental foramina were measured and statistically analyzed. Also, the distance between the mental and accessory mental foramina was measured.

Results: The accessory mental foramen was observed in 7% of patients. There was no significant difference regarding the sizes of the mental foramen between accessory mental foramen presence and absence. Also, the mean distance between the mental and accessory mental foramina was 6.3 mm (SD: 1.5 mm).

Conclusion: The accessory mental foramen, which shows continuity with the mandibular canal, could be observed in 7% of the subjects using CBCT.

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