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TMJ ANKYLOSIS: MANAGEMENT WITH RECONSTRUCTION AND INTERPOSITIONAL ARTHROPLASTY
Summary
Temporomandibular joint (TMJ) ankylosis, a fusion of the jaw to the skull, hinders chewing and breathing. Surgical treatments involve removing the fused section and using grafts or prosthetics to restore function.
Area of Science:
- Oral and Maxillofacial Surgery
- Orthodontics
- Regenerative Medicine
Background:
- Temporomandibular joint (TMJ) ankylosis is a debilitating condition characterized by the fusion of the mandibular condyle to the skull base.
- It significantly impairs mastication, breathing, and can cause facial asymmetry, especially when occurring in younger individuals due to trauma or infection.
Observation:
- This study presents three cases of TMJ ankylosis treated with different surgical approaches.
- Treatments included gap arthroplasty, costochondral grafting, and the use of a titanium condylar prosthesis.
- Fascia lata was utilized as an interpositional grafting material in these cases.
Findings:
- Surgical excision of the ankylotic block (arthroplasty) is a primary treatment modality.
- Interpositional arthroplasty using autogenous (fascia lata, costochondral graft) or alloplastic (titanium prosthesis) materials aims to restore joint mobility.
- Post-operative management including early mobilization and physiotherapy is crucial for preventing adhesions.
Implications:
- Effective surgical management of TMJ ankylosis can restore jaw function and improve quality of life.
- The choice of surgical technique and grafting material should be tailored to individual patient needs.
- Further research into long-term outcomes of different reconstructive methods is warranted.

