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Posterior dislocation of mandibular condyle into external auditory canal. A case report
K Antoniades1, D Karakasis, A Daggilas
1Department of Maxillofacial Surgery, Dental School, Aristotle University of Thessaloniki, Greece.
International Journal of Oral and Maxillofacial Surgery
|August 1, 1992
Summary
A rare case of mandibular condyle dislocation resulted in a fractured tympanic plate and petrous bone. This unusual injury highlights complex facial trauma management challenges.
Area of Science:
- Oral and Maxillofacial Surgery
- Trauma Surgery
- Otolaryngology
Background:
- Mandibular condyle dislocations are uncommon, particularly those involving associated cranial base fractures.
- Edentulous patients present unique challenges in managing mandibular fractures due to altered biomechanics.
Observation:
- A 49-year-old edentulous patient sustained a posterior dislocation of a fractured right mandibular condyle.
- The dislocation led to a fracture of the tympanic plate and a transverse fracture of the right petrous bone.
- The tympanic membrane remained intact despite the adjacent fractures.
Findings:
- This case demonstrates a complex craniofacial injury pattern involving the mandible and temporal bone.
- The association of mandibular condyle dislocation with petrous bone and tympanic plate fractures is rare.
- Management requires a multidisciplinary approach considering both dental and neurological/otological aspects.
Implications:
- Understanding these complex fracture patterns is crucial for accurate diagnosis and treatment planning.
- This case underscores the importance of thorough imaging in evaluating mandibular trauma.
- Further research into the biomechanics and long-term outcomes of such injuries is warranted.