Spontaneous Temporomandibular Joint Dislocation

Dislocation of the temporomandibular joint (TMJ) is the displacement of the head of the condyle from its normal position in the glenoid fossa. Anterior dislocations are the most common type of TMJ dislocations. Prognathism of the lower jaw, anterior crossbite, and open bite are the classic features in bilateral TMJ dislocations. The treatment of acute TMJ dislocation involves manual reduction with or without general anesthesia. The use of maxillomandibular fixation is reserved for chronic, more complex dislocations. Determining the presence of a predisposing factor is very important in guiding the correct treatment and management for this condition. The authors present a case of acute spontaneous temporomandibular joint dislocation where multiple predisposing factors were recognized, requiring treatment with maxillomandibular fixation after manual reduction. Address correspondence and reprint requests to Samuel Ruiz, MD, 11750 Bird Rd, Miami, FL 33175, GME Department, Kendall Regional Medical Center; E-mail: samuelgruiz@gmail.com Received 24 July, 2018 Accepted 20 December, 2018 SR and RL contributed equally to this work. The authors confirm that this work is original and has not been published elsewhere nor is it currently under consideration for publication elsewhere. The authors have no funding to report. The authors report no conflicts of interest. © 2019 by Mutaz B. Habal, MD.

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