open access

Ahead of Print
Case report
Submitted: 2021-09-20
Accepted: 2021-10-27
Published online: 2021-11-05
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Variant innervation of the mylohyoid muscle by the lingual nerve

A. J Cooper1, A. Sadr2, L. Xu3, R. S. Tubbs4356789, J. Iwanaga451011
DOI: 10.5603/FM.a2021.0118
·
Pubmed: 34750801
Affiliations
  1. Department of Biology, University of St. Francis, Joliet, IL, USA
  2. Department of Restorative Dentistry, University of Washington School of Dentistry, Seattle, WA, USA
  3. Department of Structural & Cellular Biology, Tulane University School of Medicine, New Orleans, LA, USA
  4. Department of Neurosurgery, Tulane Center for Clinical Neurosciences, Tulane University School of Medicine, New Orleans, LA, USA
  5. Department of Neurology, Tulane Center for Clinical Neurosciences, Tulane University School of Medicine, New Orleans, LA, USA
  6. Department of Anatomical Sciences, St. George’s University, St. George’s, Grenada, West Indies
  7. Department of Surgery, Tulane University School of Medicine, New Orleans, LA, USA
  8. Department of Neurosurgery and Ochsner Neuroscience Institute, Ochsner Health System, New Orleans, LA, USA
  9. University of Queensland, Brisbane, Australia
  10. Dental and Oral Medical Center, Kurume University School of Medicine, Kurume, Fukuoka, Japan
  11. Division of Gross and Clinical Anatomy, Department of Anatomy, Kurume University School of Medicine, Kurume, Fukuoka Japan

open access

Ahead of Print
CASE REPORTS
Submitted: 2021-09-20
Accepted: 2021-10-27
Published online: 2021-11-05

Abstract

The nerve to mylohyoid muscle supplies the mylohyoid and the anterior belly of the digastric muscles, with terminal sensory branches that might innervate the submental skin and mandibular teeth. The nerve to mylohyoid muscle typically originates from the posterior surface of the inferior alveolar nerve right before entering the mandibular foramen. In rare cases, the nerve to mylohyoid muscle arises from the lingual nerve. The variations of the nerve to mylohyoid muscle might have led to failure of an inferior alveolar nerve blockade. During the routine dissection of a cadaveric head, a rare case was identified where the nerve to mylohyoid muscle had origins from both the inferior alveolar and lingual nerves. This case is reviewed and salient literature reviewed.

Abstract

The nerve to mylohyoid muscle supplies the mylohyoid and the anterior belly of the digastric muscles, with terminal sensory branches that might innervate the submental skin and mandibular teeth. The nerve to mylohyoid muscle typically originates from the posterior surface of the inferior alveolar nerve right before entering the mandibular foramen. In rare cases, the nerve to mylohyoid muscle arises from the lingual nerve. The variations of the nerve to mylohyoid muscle might have led to failure of an inferior alveolar nerve blockade. During the routine dissection of a cadaveric head, a rare case was identified where the nerve to mylohyoid muscle had origins from both the inferior alveolar and lingual nerves. This case is reviewed and salient literature reviewed.

Get Citation

Keywords

nerve to mylohyoid muscle, lingual nerve, inferior alveolar nerve, cadaver, anatomy

About this article
Title

Variant innervation of the mylohyoid muscle by the lingual nerve

Journal

Folia Morphologica

Issue

Ahead of Print

Article type

Case report

Published online

2021-11-05

Page views

299

Article views/downloads

165

DOI

10.5603/FM.a2021.0118

Pubmed

34750801

Keywords

nerve to mylohyoid muscle
lingual nerve
inferior alveolar nerve
cadaver
anatomy

Authors

A. J Cooper
A. Sadr
L. Xu
R. S. Tubbs
J. Iwanaga

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