Case report of unique anastomosis between facial and inferior alveolar arteries
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Understanding anatomical variations of the facial artery and its branches is important for dental and medical practitioners.
Routine cadaveric dissection of the head and neck was performed to demonstrate the origin and branches of the facial artery.
Facial artery emerged from a common linguofacial trunk off the external carotid artery. On the face, the facial artery first gave off a pre-masseteric branch. Immediately after, an aberrant artery emerged from the facial artery that coursed along the ramus of the mandible, which upon further dissection and examination was found to anastomose with inferior alveolar artery within the ramus of the mandible.
We report a unique anastomosis between facial and inferior alveolar arteries, vessels that have not been previously shown to communicate. This case report may provide useful information for oral and maxillofacial surgeons as well as dentists performing inferior alveolar nerve blocks.
KeywordsFacial artery Inferior alveolar artery Maxillary artery
We would like to sincerely thank Dr. Omid Rahimi, Associate Professor, Department of Cell Systems and Anatomy, and Director, Human Anatomy Program, UT Health San Antonio for providing his support for the study.
AB was involved in dissection, writing and editing the manuscript, and preparing the specimen for photo documentation. RS was involved in writing/editing the manuscript and processing the photographs for publication. CA was involved in dissection. LS contributed to photo documentation and recording of the diameter of the aberrant artery.
Compliance with ethical standards
Conflict of interest
The authors declare that they have no conflict of interest.
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