Abstract. OBJECTIVES Oromandibular dystonia (OMD) is a focal dystonia manifested by involuntary muscle contractions producing repetitive, patterned mouth. Oromandibular dystonia is a form of focal dystonia affecting the mouth, jaw and tongue, and in this disease it is hard to speak. It is associated with bruxism. Oromandibular dystonia causes spasms of the jaw, lips, and tongue muscles. This dystonia can cause problems with speech and swallowing.

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Anticholinergic drugs reduce muscle spasm by centrally inhibiting the parasympathetic system. Oromandibular dystonia after dental treatments: Secondary Distpnia is associated with another disease like Parkinson’s, and the etiology is usually idiopathic or unknown.

Dixtonia of onabotulinumtoxinA in post-traumatic oromandibular dystonia. For jaw opening dystonia the lateral pterygoid muscle is injected with 45 units of BTX-A, by an intraoral injection approach following the ramus of the mandible to locate the lateral pterygoid and injecting approximately 45 units on each side. There is no ideal treatment for oromandibular dystonia, but a few approaches can help to alleviate symptoms. Adverse effects reported are dry mouth, dysphagia, lethargy, generalized weakness, and dysphonia.

If you are a former subscriber or have registered before, please log in first and then click select a Service Plan or contact Subscriber Services. Once she forcefully opened her mouth the spasms would reduce within a span of seconds and eventually stopped. A new approach to rehabilitate dystonias.

The jaw opening increased to 50mm in both patients.

At the 3-month recall, the symptoms had returned with less intensity. Physiotherapy Physiotherapy is thought to promote brain re-wiring over time, so as to reduce the dystonic movements. Etiology The mechanism and the cause of OMD are not well known.


This article includes discussion of oromandibular dystoniabruxismand cranial dystonia. Prosthetic treatment planning after controlling the problems of involved muscle with modalities such as BoNT injection yields satisfactory results. Thorburn and Lee[ 15 ] discussed two OMD cases which occurred following extractions and full dentures.

A year-old female patient visited the Department of Oral Medicine and Radiology with a chief complaint of spontaneous, painful constrictive movements on her right side of face with a feeling of constriction in her neck leading to difficulty in breathing. Physical therapy modality including speech therapy, oral sensory devices and biofeedback, and so forth also have a positive role.

The role of a dentist in managing patients with dystonia.

What Is Oromandibular Dystonia? | ColgateĀ® Oral Care

Muscle pain is usually associated with headache and facial pain as a result of dystonic activity and forceful contractions. A comprehensive literature review was done from up to December The dystonic movements diminished with oral sensory feedback such as voluntary opening of mouth by the patient in an attempt to breathe through mouth.

On intraoral examination the episodes began with fine involuntary fasciculations in the right masseter and temporalis which progressed to severe dystonic contractions of the face and neck within few seconds causing grimacing of the face with difficulty in breathing following which the patient assumed a body posture holding the right side of face and neck gasping for breath, trying to open her mouth in an attempt to breath.

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Etiology, Diagnosis and Management of Oromandibular Dystonia: an Update for Stomatologists

Discussion Clinical manifestations Medical signs and symptoms The onset of symptoms is usually between the ages of 40 to 70 years and is diztonia common in women. This article is intended to promote understanding of and knowledge about general oral health topics. Oromandibular dystonia OMD is a rare focal neurological disorder that affects mouth, face, and jaws.


It was concluded that there might be a potential causal relationship between dental implants as peripheral injury and the development of OMD. Surgical therapies are the last effort for individuals suffering from certain types of dystonia.

Oromandibular dystonia – Wikipedia

Based on her history and physical presentation, the differential diagnosis included psychogenic facial spasm, tardive dyskinesia, or oromandibular dystonia [ 2 ] with associated masticatory muscular pain, facial motor seizures, and hypocalcemic tetany: OMD patients may refer to dentists with involuntary jaw movements and intraoral presentations. It was suggested as an effective and relatively simple modality of treatment.

In the reported case, spasm of lateral pterygoid muscles was revealed by neurologic evaluation, and medication and botulinum neurotoxins BoNT were utilized for relief. The work of several doctors such as Nancy Byl and Joaquin Farias has shown that sensorimotor otomandibular activities and proprioceptive stimulation can induce neuroplasticitymaking it possible for patients to recover substantial function that was lost due to Disyonia Dystonia, oromandibular dystonia and dysphonia.

The complaint of ill-fitting full dentures in these patients should be taken seriously. Disonia and Effects of Oromandibular Dystonia OMD The uncontrollable contractions and movements of this disorder can lead to many side effects.

They reported temporal pattern of symptoms in patient and discussed the possible relationship between OMD and hormonal factors. Choosing music over meds, one man’s quest to retrain his brain to overcome dystonia. Jankovic and Van der Linden[ 20 ] assessed dystonia and tremor induced oromandiibular peripheral trauma and predisposing factors. It is a rare focal neurological disorder that affects the lower facial muscles.

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