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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.
Features include common findings: Abnormal mandible morphology, Depression, Dysphonia, and Weight loss and others; and sometimes findings: Abnormal lip morphology, Facial grimacing, Abnormality of the nose, and Torticollis and others. 21 total HPO annotations.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Brain and nerves | 9 | Depression, Dysphonia, Difficulty swallowing (dysphagia) |
Biomarker and diagnostic research for oromandibular dystonia has been reported in the published literature.
Phenotype severity distribution: 8 common features.
1 clinical trial registered, 1 recruiting. Interventions under study include other interventions and procedural interventions. Research is primarily sponsored by academic and government institutions.
50 publications have been identified in PubMed for oromandibular dystonia. Kisho has analyzed 27 by research type. Research spans Case Report / Case Series (37%), Basic Science / Preclinical (19%), and Review / Meta-Analysis (15%).
Research Type | Count | % of Total |
|---|---|---|
Patient case studies | 10 |
Data assembled from 5 of 12 sources · Last updated Sep 17, 2026, 9:52 PM UTC
European rare disease database
Genetic and Rare Diseases Info Center
Head and neck |
3 |
Abnormal mandible morphology, Abnormal lip morphology, Facial grimacing |
Growth and development | 1 | Weight loss |
Digestive system | 1 | Difficulty swallowing (dysphagia) |
Bones and joints | 1 | Abnormality of the temporomandibular joint |
Lungs and breathing | 1 | Respiratory distress |
Arms and legs | 1 | Limb dystonia |
Laboratory research | 5 | 19% |
Research summaries | 4 | 15% |
Disease patterns and progression | 4 | 15% |
Other research | 2 | 7% |
Testing and diagnosis research | 1 | 4% |
Clinical study results | 1 | 4% |
Liu G (2026). [PMID: 41947308](https://pubmed.ncbi.nlm.nih.gov/41947308/). *CNS Neurosci Ther*. [Basic Science / Preclinical]
Zeppieri M (2026). [PMID: 30020730](https://pubmed.ncbi.nlm.nih.gov/30020730/). *Unknown Journal*. [Other]
Brevi E (2026). [PMID: 41669198](https://pubmed.ncbi.nlm.nih.gov/41669198/). *Case Rep Neurol Med*. [Case Report / Case Series]
Zeppieri M (2026). [PMID: 32809668](https://pubmed.ncbi.nlm.nih.gov/32809668/). *Unknown Journal*. [Other]
Liu G (2025). [PMID: 39921933](https://pubmed.ncbi.nlm.nih.gov/39921933/). *Parkinsonism Relat Disord*. [Basic Science / Preclinical]
Thomas DC (2025). [PMID: 41193059](https://pubmed.ncbi.nlm.nih.gov/41193059/). *J Am Dent Assoc*. [Case Report / Case Series]
Jaffee S (2025). [PMID: 41036032](https://pubmed.ncbi.nlm.nih.gov/41036032/). *Surg Neurol Int*. [Case Report / Case Series]
Comtesse SM (2025). [PMID: 40714113](https://pubmed.ncbi.nlm.nih.gov/40714113/). *Toxicon*. [Review / Meta-Analysis]
Ali MR (2025). [PMID: 40498119](https://pubmed.ncbi.nlm.nih.gov/40498119/). *J Craniofac Surg*. [Diagnostic / Biomarker]
Hao G (2025). [PMID: 41105623](https://pubmed.ncbi.nlm.nih.gov/41105623/). *PLoS One*. [Epidemiology / Natural History]