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Related Experiment Videos

Temporomandibular joint injuries.

K P Schellhas1

  • 1Center for Diagnostic Imaging, St Louis Park, MN 55416.

Radiology
|October 1, 1989
PubMed
Summary
This summary is machine-generated.

Temporomandibular joint (TMJ) injuries can cause significant pain and dysfunction. Radiologic imaging reveals various internal derangements and degenerative changes, impacting masticatory muscles and leading to progressive disability.

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Area of Science:

  • Orthopedics
  • Radiology
  • Dentistry

Background:

  • Temporomandibular joint (TMJ) injuries present with diverse clinical symptoms.
  • Accurate diagnosis is crucial for effective management of TMJ disorders.

Purpose of the Study:

  • To analyze the clinical and radiologic findings in patients with temporomandibular joint injuries.
  • To correlate imaging results with clinical presentation and outcomes.

Main Methods:

  • Retrospective analysis of 30 patients with TMJ injuries.
  • Utilized a combination of radiography, tomography, arthrography, CT, and MRI.
  • Imaging performed between 2 days and 24 months post-injury.

Main Results:

  • Common findings included internal derangement, effusion, fractures, and degenerative changes like osteoarthritis.

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  • Muscle atrophy and internal derangement were frequently observed.
  • Surgical confirmation in seven patients validated imaging findings.

    • Conclusions:

    • TMJ injuries can lead to joint derangement, degeneration, and masticatory muscle dysfunction.
    • Radiologic imaging is essential for identifying structural damage and guiding treatment.
    • Untreated TMJ injuries may result in progressive pain and clinical disability.