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Related Experiment Videos

Supero-lateral dislocation of sagittally split bifid mandibular condyle.

E W To1

  • 1Dental Unit, Queen Elizabeth Hospital, Kowloon, Hong Kong.

The British Journal of Oral & Maxillofacial Surgery
|April 1, 1989
PubMed
Summary

This case report details a rare supero-lateral dislocation of the mandibular condyle into the temporal fossa, complicated by an antero-posterior fracture creating a bifid mandibular condyle.

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Area of Science:

  • Oral and Maxillofacial Surgery
  • Orthodontics
  • Trauma Surgery

Background:

  • Temporomandibular joint (TMJ) dislocations are relatively common.
  • Supero-lateral dislocations into the temporal fossa are infrequent.
  • Bifid mandibular condyle is a rare developmental anomaly.

Observation:

  • A unique case of supero-lateral dislocation of the mandibular condyle.
  • Concurrent antero-posterior fracture resulted in a bifid mandibular condyle.
  • The dislocation occurred into the temporal fossa.

Findings:

  • The reported case presents a rare combination of supero-lateral mandibular condyle dislocation and bifid condyle formation.
  • Literature review of similar dislocations and bifid condyle cases was performed.

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  • This case expands the understanding of TMJ trauma and congenital anomalies.

    • Implications:

    • Highlights the importance of considering rare fracture patterns in TMJ dislocations.
    • Contributes to the literature on bifid mandibular condyle morphology and etiology.
    • Informs diagnostic and treatment strategies for complex TMJ injuries.