Evaluation of location and dimensions of mandibular lingual canals: a cone beam computed tomography study

Abstract This retrospective study evaluated the presence, location, and diameter of the mandibular lingual canals in a Taiwanese population using cone beam computed tomography (CBCT), to help improve the safety of mandibular surgical procedures. A total of 101 patients (46 men and 55 women), with a...

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Published inInternational journal of oral and maxillofacial surgery Vol. 44; no. 9; pp. 1197 - 1203
Main Authors Wang, Y.-M, Ju, Y.-R, Pan, W.-L, Chan, C.-P
Format Journal Article
LanguageEnglish
Published Denmark Elsevier Ltd 01.09.2015
Subjects
Adult
Aged
Anatomic Landmarks
Cone-Beam Computed Tomography
Dentistry
Female
Humans
lingual canal
lingual foramen
Male
Mandible - diagnostic imaging
mandibular symphysis
Middle Aged
Radiographic Image Interpretation, Computer-Assisted
Retrospective Studies
sublingual artery
submental artery
Surgery
Taiwan
sublingual artery
submental artery
lingual foramen
lingual canal
mandibular symphysis
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Summary:Abstract This retrospective study evaluated the presence, location, and diameter of the mandibular lingual canals in a Taiwanese population using cone beam computed tomography (CBCT), to help improve the safety of mandibular surgical procedures. A total of 101 patients (46 men and 55 women), with a mean age of 55 years, were enrolled. Cross-sectional CBCT images of the mandible were used to define the orifice and diameter of each lingual canal detected. The relevance of all data for both sexes was assessed and analyzed statistically using non-paired t -tests. The canals were categorized as median (MLC) and lateral lingual canals (LLC) based on the position of the mandible. The midline of the symphysis showed the highest frequency of lingual canals (97.0%), and all patients exhibited at least one lingual perforating bone canal in the mandible. The lingual canal diameter ranged from 0.25 to 1.90 mm (mean 0.61 mm) in the midline region and from 0.25 to 1.60 mm (mean 0.58 mm) in the lateral region. Significant differences in diameter were observed between the sexes in the MLC and LLC groups (men > women). The results suggest that mandibular lingual vascular canals are common and detected regularly using CBCT.
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ISSN:0901-5027
1399-0020
DOI:10.1016/j.ijom.2015.03.014