Oromandibular Dystonia: Demographics and Clinical Data from 240 Patients.

Objective: To report demographic data from a large cohort of patients with oromandibular dystonia (OMD).

Methods: This is a retrospective review of patients with OMD referred to our institution between 1989 and 2015. Demographic (age of onset, gender, and familial history of dystonia) and clinical (type of OMD, associated dystonia, and etiology of dystonia) data were collected from a cohort of 240 individuals.