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Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/4062

Title: Lingual foramina on the mandibular midline revisited: A macroanatomical study
Authors: LIANG, Xin
JACOBS, Romain
LAMBRICHTS, Ivo
VANDEWALLE, Giovani
Issue Date: 2007
Publisher: WILEY-LISS
Citation: CLINICAL ANATOMY, 20(3). p. 246-251
Abstract: The purpose of the present study was to determine the incidence, size, location, course, and content of the foramina and bony canals located on the lingual side of the mandibular midline. Fifty dry human mandibles were morphometrically analyzed by measuring the distances of these midline foramina from the mandibular base and the dimensions of these foramina and their bony canals. In addition, macro- and microanatomical dissection was performed on 12 intact cadaver mandibles. The macroanatomic midline foramina were classified into superior and inferior genial spinal foramina according to their vertical location with respect to the genial spines. This study showed that out of 50 dry mandibles, 49 (98%) had at least one midline lingual foramen; only one lacked a true midline foramen. Evaluation of the microanatomical dissections indicated a clear neurovascular bundle in both superior and inferior genial spinal foramina and canals. For the superior canal, the content was found to derive from the lingual artery and the lingual nerve. For the inferior canal, however, the arterial origin was submental and/or sublingual, while the innervation derived from a branch of the mylohyoid nerve. In conclusion, different kinds of lingual foramina have been identified according to their location. The superior and inferior genial spinal foramina have different neurovascular contents, determined by their anatomical location above or below the genial spines.
Notes: Katholieke Univ Leuven, Fac Med, Oral Imaging Ctr, B-3000 Louvain, Belgium. Katholieke Univ Leuven, Fac Med, Dept Periodontol, B-3000 Louvain, Belgium. Univ Limburg, Dept Morphol, Diepenbeek, Belgium.Jacobs, R, Katholieke Univ Leuven, Fac Med, Oral Imaging Ctr, Kapucijnenvoer 7, B-3000 Louvain, Belgium.reinhilde.Jacobs@uz.kuleuven.ac.be
URI: http://hdl.handle.net/1942/4062
Link to publication: http://doi.wiley.com/10.1002/ca.20357
ISI #: 000244880600004
ISSN: 0897-3806
Category: A1
Type: Journal Contribution
Validation: ecoom, 2008
Appears in Collections: Research publications

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