Mandible Dislocation


Background

  1. Not commonly seen in ED
  2. Usually causes discomfort
  3. Can usually be reduced with simple techniques
  4. Rarely may need general anesthesia & open reduction
  5. Can be unilateral or bilateral

Pathophysiology

  1. Mechanisms of Occurrence
  2. Condyle lies anterior to articular eminence after dislocation
      • Further traps condyle
      • Masseter muscle
      • Pterygoid muscles
  3. Morbidity / Mortality
  4. Predisposing factors

Diagnostics

  1. History
  2. Physical Exam
  3. Diagnostic Imaging

Acute Treatment

  1. Attend to serious injuries first
  2. Obtain mandibular X-rays
  3. Reduction
  4. Confirm reduction / Disposition