Abstract
Edentulous dyskinesia (ED) is characterized by excessive, aimless, stereotyped movements of the jaw, mouth, and tongue which occur in elderly edentulous individuals. It occurs in 7–13% of edentulous subjects either with or without dental prostheses. Some individuals are referred to as having “spontaneous orofacial dyskinesia of the elderly.” The mechanism responsible for ED is poorly understood, but it has been suggested that malocclusion and reduced sensory feedback from oral structures may play a role since the loss of sensory nerve endings in periodontal ligaments following multiple tooth extractions may cause proprioceptive defects.
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References
Koller WC. Edentulous orodyskinesia. Ann Neurol. 1983;13:97–9.
Blanchet PJ, Popovici R, Guitard F, et al. Pain and denture condition in edentulous orodyskinesia: Comparisons with tardive dyskinesia and control subjects. Mov Disord. 2008;23:1837–42.
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The patient exhibits intermittent lateral movements of the jaw associated with malocclusion. The patient is unaware of the abnormal movements.
Edentulous dyskinesia.mp4 (MP4 6,781KB)
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Bhidayasiri, R., Tarsy, D. (2012). Edentulous Dyskinesia. In: Movement Disorders: A Video Atlas. Current Clinical Neurology. Humana, Totowa, NJ. https://doi.org/10.1007/978-1-60327-426-5_79
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DOI: https://doi.org/10.1007/978-1-60327-426-5_79
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Publisher Name: Humana, Totowa, NJ
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Online ISBN: 978-1-60327-426-5
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