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Up to: Focal dystonia · Focal, segmental or multifocal dystonia
Oromandibular dystonia
Oromandibular dystonia (OMD) is a form of focal dystonia, affecting the lower part of the face and jaws. It is characterized by sustained or repetitive involuntary jaw and tongue movements and facial grimacing caused by involuntary spasms of the masticatory, facial, pharyngeal, lingual, and lip muscles.
This condition has no sub-types.