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Related Experiment Videos

Sensory and motor integration during mandibular function.

R M Davidson1, N D Mohl

  • 1Department of Oral Biology, School of Dentistry, University at Buffalo, New York.

Dental Clinics of North America
|October 1, 1987
PubMed
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Temporomandibular disorders, like myofascial pain dysfunction, are linked to muscle hyperactivity from oral habits such as bruxism. This review explores the connection between mandibular function, muscle activity, and pain management.

Area of Science:

  • Dentistry
  • Neurology
  • Pain Management

Background:

  • Pain is closely linked to mandibular function.
  • Temporomandibular disorders (TMD), especially myofascial pain dysfunction (MPD), are partly caused by muscle activity from parafunctional oral habits like bruxism.
  • Masticatory muscles in MPD patients may exhibit tonic hyperactivity alongside phasic hyperactivity.

Purpose of the Study:

  • To provide an updated historical review of mandibular function in relation to pain.
  • To offer insights into the current understanding of temporomandibular disorders and associated pain.

Main Methods:

  • Literature review focusing on the historical aspects of mandibular function and pain.
  • Analysis of evidence regarding muscle activity (phasic and tonic hyperactivity) in MPD.

Related Experiment Videos

  • Synthesis of current knowledge on the 'state of the art' in managing pain related to mandibular dysfunction.

    • Main Results:

    • Parafunctional oral habits, including diurnal and nocturnal bruxism, contribute to muscle hyperactivity in TMD.
    • Both phasic and tonic hyperactivity of masticatory muscles are implicated in MPD.
    • The pain resulting from muscle hyperactivity is a primary reason for patients seeking professional dental help.

    Conclusions:

    • Understanding the relationship between mandibular function, muscle activity, and pain is crucial for diagnosing and treating TMD.
    • Further research and clinical insights into the 'state of the art' are needed for effective pain management in MPD patients.
    • The historical review highlights the evolving understanding of the complex interplay between oral habits, muscle function, and pain perception.