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Oral motor disorders in humans

G T Clark1, K Koyano, P A Browne

  • 1Dental Research Institute, UCLA School of Dentistry.

Journal of the California Dental Association
|January 1, 1993
PubMed
Summary

Researchers explored orofacial motor disorders like bruxism and dystonia. Findings show electrical stimulation can control bruxism and botulinum toxin may treat dystonia.

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Area of Science:

  • Neurology
  • Biomedical Engineering
  • Pain Management

Background:

  • Orofacial motor disorders encompass conditions such as bruxism, chronic orofacial muscle pain, and involuntary movement disorders like orofacial dyskinesia and dystonia.
  • These disorders affect jaw and neck muscles, impacting daily function and quality of life.

Purpose of the Study:

  • To investigate UCLA's research contributions to understanding and treating orofacial motor disorders.
  • To evaluate novel therapeutic approaches for conditions including bruxism, orofacial muscle pain, and dystonia.

Main Methods:

  • Contingent afferent electrical stimulation of the lip for bruxism control.
  • Assessment of fatigue, endurance, and recovery in protrusive jaw muscles.
  • Investigation of chronic muscle hyperactivity as a cause of headache pain.
  • Application of botulinum toxin for treating orofacial dystonia and dyskinesia.

Main Results:

  • Electrical stimulation demonstrated efficacy in controlling bruxism.
  • Insights were gained into the physiological capacities of jaw muscles.
  • A link between chronic muscle hyperactivity and headache induction was explored.
  • Botulinum toxin showed promise as a treatment for orofacial dystonia and dyskinesia.

Conclusions:

  • UCLA research has advanced the understanding and management of orofacial motor disorders.
  • Non-invasive and minimally invasive techniques show potential for therapeutic benefit.
  • Further research is warranted to optimize treatment strategies for these complex conditions.

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