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Dislocation of jaws.

R W Katzberg, Q N Anderson, J V Manzione

    Skeletal Radiology
    |January 1, 1984
    PubMed
    Summary
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    Tomography revealed jaw dislocations often cause condylar head defects. Imaging suggests significant intra-articular soft tissue damage may result from these severe dislocations.

    Area of Science:

    • Radiology
    • Orthopedics
    • Medical Imaging

    Background:

    • Temporomandibular joint (TMJ) dislocation is a condition requiring medical intervention.
    • Diagnostic imaging plays a crucial role in evaluating TMJ injuries.

    Observation:

    • This study examined six patients with severe jaw dislocations using multi-directional tomographic and arthrotomographic techniques.
    • Specific attention was given to the condylar head and intra-articular structures.

    Findings:

    • A grooved defect on the posterior aspect of the condylar head was observed in two of the six patients.
    • Arthrotomography in one dislocated patient did not indicate meniscocondyle incoordination as the primary mechanism.
    • Findings across all six cases suggest substantial intra-articular soft tissue damage is a common consequence.

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    Implications:

    • These imaging findings highlight potential structural alterations in the TMJ following dislocation.
    • Understanding the extent of soft tissue damage is critical for appropriate treatment and management strategies.
    • Tomographic and arthrotomographic evaluations are valuable for diagnosing complications of jaw dislocation.