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A rare anatomic variation: Triple mental foramina.

M Predoiu1, M C Rusu1, A L Chiriţă1

  • 1Division of Anatomy, Faculty of Dental Medicine, "Carol Davila" University of Medicine and Pharmacy, Bucharest, Romania.

Morphologie : Bulletin De L'Association Des Anatomistes
|May 20, 2019
PubMed
Summary
This summary is machine-generated.

Multiple mental foramina (MF) are rare anatomical variations. This case study documents a rare instance of triple mental foramina in a patient

Keywords:
Anatomic variationCone beam CTMandibleMental nerve

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Area of Science:

  • Dentistry
  • Anatomy
  • Radiology

Background:

  • Multiple mental foramina (MF) are uncommon anatomical variations in the human mandible.
  • Cone beam computed tomography (CBCT) is a valuable tool for identifying mandibular anatomical details.

Observation:

  • A rare case of triple mental foramina (MF) was identified on the right hemimandible of a 28-year-old female patient using CBCT.
  • The triple MF were located between the apices of the premolar and molar teeth, with a combined surface area of 23.49mm².
  • The contralateral mandible exhibited a single mental foramen with a surface area of 13.25mm².

Findings:

  • The identified triple mental foramina presented a significantly larger surface area compared to a single mental foramen.
  • Retromolar canals opening into retromolar fossae were also observed bilaterally.

Implications:

  • The presence of multiple mental foramina increases the risk of neurovascular damage during surgical procedures.
  • Anatomical variations like multiple MF necessitate personalized, imaging-guided approaches in dental treatments.
  • Awareness of MF variations is crucial for avoiding treatment failures and ensuring patient safety.