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A prevalence study of bifid mandibular canals using cone beam computed tomography

Lookup NU author(s): James AllisonORCiD, Andrew Carr

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This is the authors' accepted manuscript of an article that has been published in its final definitive form by Blackwell Publishing Ltd, 2017.

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Abstract

© 2017 The British Association of Oral Surgeons and John Wiley & Sons LtdAim: This study aims to assess the prevalence of bifid mandibular canals in a UK population using cone beam computed tomography. Materials and Methods: This is a prevalence study of 140 patients (280 sides) referred to a dental hospital in the UK for extraction of a third molar. Canals were classified from cone beam computed tomography images using a novel classification. Results: At least one bifid canal was seen in 30.00% (n = 42/140) of patients (95% CI: 26.13–33.87%) and in 18.93% (n = 53/280) of sides (95% CI: 16.59–21.27%). The retromolar canal was the most common variant observed. Conclusions: The bifid mandibular canal appears to be a common anatomical variant, of which clinicians should be aware. These variants are relevant to surgery in the retromolar region, dental extraction and implant placement, where damage has the potential to cause bleeding and sensory disturbance.

Publication metadata

Author(s): Allison JR, Carr A

Publication type: Article

Publication status: Published

Journal: Oral Surgery

Year: 2017

Volume: 10

Issue: 4

Pages: e55-e61

Print publication date: 01/11/2017

Online publication date: 02/02/2017

Acceptance date: 20/12/2016

Date deposited: 28/03/2019

ISSN (print): 1752-2471

ISSN (electronic): 1752-248X

Publisher: Blackwell Publishing Ltd

URL: https://doi.org/10.1111/ors.12267

DOI: 10.1111/ors.12267

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