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1
Botulinum toxin therapy is a standard treatment for oromandibular dystonia (OMD), but lack of response may indicate a need for reevaluation.
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2
Long-standing condylar dislocation can mimic OMD symptoms, including mandibular deviation and impaired closure, complicating diagnosis.
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3
Two cases demonstrated that patients initially diagnosed with OMD improved after structural correction for long-standing condylar dislocation.
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4
Botulinum toxin non-response should prompt clinicians to consider structural disorders like condylar dislocation before continuing treatment.
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5
A thorough dental and oral/maxillofacial evaluation is recommended for patients with OMD-like symptoms and persistent occlusal disturbances.
