Clinical Characteristics of Voice, Speech, and Swallowing Disorders in Oromandibular Dystonia.

Purpose: To better define the clinical characteristics of idiopathic oromandibular dystonia, we studied voice, speech, and swallowing disorders and their impact on activities of daily living.

Method: Fourteen consecutive patients with idiopathic oromandibular dystonia and 14 matched, healthy control subjects were included in the study.

Results: Dysarthria was the most common disorder and its characteristics varied from one patient to another.