Chronic recurrent dislocation of the temporomandibular joint secondary to a complex facial tic disorder

We report the case of a 14-year-old boy who presented to the emergency department with bilateral dislocation of the temporomandibular joint (TMJ) of unusual aetiology. He had recently developed a repetitive action that involved thrusting the jaw forwards, which involved maximal mouth opening. This had preceded the dislocation of the TMJ two hours previously.

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