Canis ISSN: 2398-2942

Mandible: neurapraxia

Synonym(s): Trigeminal neuropathy

Contributor(s):

Introduction

  • Sporadic.
  • Cause: stretching of mandibular branch of trigeminal nerve - carrying heavy objects in mouth, also idiopathic.
  • Signs: inability to close mouth, drools saliva, difficulty eating, no malocclusion or pain.
  • Prognosis: good following treatment - normal within 3 weeks.

Pathogenesis

Etiology

  • Stretching of nerve - carrying heavy objects in mouth.

Pathophysiology

  • Motor branches (non-suppurative inflammation).
  • Paralysis of mandibular branch of trigeminal nerve preventing mouth from closing.
  • Sensory nerves are intact.

Diagnosis

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Treatment

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Outcomes

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Further Reading

Publications

Refereed papers

  • Recent references from PubMed and VetMedResource.
  • Hoelzle R J (1985) Idiopathic trigeminal neuropathy in a dog. JVMSAC 78 (3), 345 VetMedResource.
  • Robins G (1976) Dropped jaw - mandibular neurapraxia in the dog. JSAP 17 (11), 753-8 PubMed.


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