As with other forms of dystonia, the diagnosis is made solely on the basis of clinical observation. Unfortunately, the diagnosis is sometimes made only after years of consulting one doctor after another. Other movement disorders can be confused with oromandibular dystonia. Often, the feelings of tension in the masticatory muscles lead initially to a suspicion of bruxism (nocturnal grinding of the teeth) or overload of the mandibular joint, and a tooth guard to wear at night is prescribed. In old age and in patients with no teeth, involuntary movements of the mouth region also occur without this being oromandibular dystonia. A distinction must be made between facial tics and unilateral, hemifacial spasm.
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Last update: 18.10.2007, 11:51
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