Evidence map›Paper›PMID 41083728›Full record

ArticleSurgical and radiologic anatomy : SRA2025

Bilateral incomplete mandibular canals: an embryological analysis of their possible etiology.

Kanitin Rumpansuwon, Thewarid Berkban, Nutmethee Kruepunga, Wattana Weerachatyanukul, Somluk Asuvapongpatana, Arada Chaiyamoon, Benrita Jitaree, R Shane Tubbs, Joe Iwanaga, Thanyaporn Senarai and 1 more

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Article in Surgical and radiologic anatomy : SRA, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

11 authors.

Kanitin RumpansuwonDepartment of Anatomy, Faculty of Science, Mahidol University, Bangkok, Thailand.
Thewarid BerkbanDepartment of Anatomy, Faculty of Medicine, Khon Kaen University, Khon Kaen, 40002, Thailand. thewbe@kku.ac.th.
Nutmethee KruepungaDepartment of Anatomy, Faculty of Medicine, Kasetsart University, Lat Yao, Bangkok, 10900, Thailand. nutmethee.kr@ku.th.
Wattana WeerachatyanukulDepartment of Anatomy, Faculty of Science, Mahidol University, Bangkok, Thailand.
Somluk AsuvapongpatanaDepartment of Anatomy, Faculty of Science, Mahidol University, Bangkok, Thailand.
Arada ChaiyamoonDepartment of Anatomy, Faculty of Medicine, Khon Kaen University, Khon Kaen, 40002, Thailand.
Benrita JitareeChakri Naruebodindra Medical Institute, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Samut Prakarn, Thailand.
R Shane TubbsDepartment of Anatomical Sciences, School of Medicine, St George's University, Saint George's, Grenada.
Joe IwanagaDepartment of Neurosurgery, Tulane University School of Medicine, New Orleans, USA.
Thanyaporn SenaraiDepartment of Anatomy, Faculty of Medicine, Khon Kaen University, Khon Kaen, 40002, Thailand.
Athikhun SuwannakhanDepartment of Anatomy, Faculty of Science, Mahidol University, Bangkok, Thailand.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeThis study aims to report a previously undocumented anatomical variation of the mandible and investigate its developmental origin using embryological analysis.

methodsAnatomical inspection and computed tomography were performed on a dried human mandible from a male cadaver of unknown age. Additionally, serial histological sections from a Carnegie Stage 23 human embryo were reconstructed in 3D model to examine the spatial relationships between the developing mandible and surrounding structures.

resultsThe mandibular canal exhibited breaching of the medial wall into the lingual cortex on both sides. Computed tomography confirmed that the canals originated from the mandibular foramen and gave rise to the mental foramina at the medial third of the mandible. These defects were found along with a left-sided Stafne bone cavity. Embryological analysis revealed a close spatial proximity between the developing mandible, the inferior alveolar nerve, and the salivary glands, supporting the hypothesis that incomplete ossification could result from variant nerve positioning or glandular entrapment.

conclusionThis study presents rare anatomical variations of the mandibular canal and their possible developmental mechanism. These findings have implications for radiological interpretation and surgical planning involving the mandible.

Indexed as

Anatomic VariationMandibleCadaverHumansImaging, Three-DimensionalMaleTomography, X-Ray ComputedAnatomical variationComputed tomographyMandibleMandibular canal

Identifiers

PMID41083728

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