Mandibular reduction.

J Emerg Med

Department of Emergency Medicine, University of California San Diego Medical Center, San Diego, California 92103, USA.

Published: May 2008

AI Article Synopsis

  • * The most frequent type of dislocation is anterior, where the mandible shifts forward, often resulting in muscle spasms that can complicate treatment.
  • * Emergency doctors can usually correct these dislocations using different closed reduction techniques, and this article reviews the processes and clinical details surrounding these injuries.

Article Abstract

Patients who dislocate their mandible often present to the Emergency Department for care. Dislocation can occur after a variety of activities that hyperextend the mandible or open the mouth widely, such as yawning, laughing, or taking a large bite. Anterior dislocation is the most common type, in which the condylar head of the mandible dislocates out of the glenoid fossa anterior to the articular eminence of the temporal bone. These dislocations are often complicated by muscle spasm and trismus, making reduction more difficult. The emergency physician can often reduce the anterior mandibular dislocation with or without procedural sedation or local anesthesia. A variety of methods are available for closed reduction, including the classic approach and various alternatives such as the recumbent, posterior, and ipsilateral approaches, as well as the wrist pivot method, alternative manual technique, and gag reflex induction. This article will review the pathophysiology and clinical presentation of acute mandibular dislocations, as well as discuss the various closed reduction methods available for the practitioner.

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Source
http://dx.doi.org/10.1016/j.jemermed.2007.06.037DOI Listing

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