Anat Cell Biol.  2019 Jun;52(2):140-142. 10.5115/acb.2019.52.2.140.

An anatomical study of the lingual nerve in the lower third molar area

Affiliations
  • 1Seattle Science Foundation, Seattle, WA, USA. joei@seattlesciencefoundation.org
  • 2Dental and Oral Medical Center, Kurume University School of Medicine, Kurume, Japan.
  • 3Division of Gross and Clinical Anatomy, Department of Anatomy, Kurume University School of Medicine, Kurume, Japan.
  • 4Department of Anatomical Sciences, St. George's University, St. George's, Grenada, West Indies.

Abstract

The lingual nerve (LN) is a branch of the mandibular division of the trigeminal nerve, and its injury is one of the major complications during oral surgery. This study aims to investigate the anatomy of the LN in the lower third molar area. Twenty sides from ten fresh-frozen adult cadaveric Caucasian heads were examined to measure the diameter of the LN. The mean diameter of the LN was 2.20±0.37 mm (range, 1.61-2.95 mm). There were no statistically significant differences in the measurements between sexes, sides, or tooth status (dentulous or edentulous). Understanding the anatomical features of the LN is essential for performing any surgical procedure in the oral region.

Keyword

Lingual nerve; Mandibular nerve; Anatomy; Fresh cadaver; Wisdom tooth

MeSH Terms

Adult
Cadaver
Head
Humans
Lingual Nerve*
Mandibular Nerve
Molar, Third*
Surgery, Oral
Tooth
Trigeminal Nerve
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