NeuralCipher Research overview
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This report presents two cases of temporomandibular joint (TMJ) dislocation in patients with L-dopa-responsive Parkinsonism, highlighting an underrecognized complication of the disease. Both patients, classified as Hoehn-Yahr stage IV, exhibited typical Parkinsonism symptoms, such as tremors, rigidity, and gait disturbances. TMJ dislocations occurred in both patients during events involving wide mouth opening, one during breakfast and the other while yawning. The underlying pathophysiology remains unclear but may be related to Parkinsonism-associated muscle rigidity or involuntary orofacial movements. Manual reduction was performed in both cases, though difficulties were encountered due to increased muscle tone. These cases underscore the importance of early recognition and proactive management of TMJ dysfunction in Parkinsonism patients, especially in cases of advanced disease. Future studies should explore preventative strategies and optimal management techniques to improve patient outcomes. Accumulating data from similar cases will be essential for developing more effective management strategies for TMJ dysfunction in patients with Parkinsonism.
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