Abstract
Temporomandibular joint (TMJ) ankylosis is characterized by the formation of bone or fibrous adhesion of the anatomic joint components, which replaces the normal articulation and limitation of mouth opening. Early surgical intervention is considered as a treatment procedure to release the joint ankylosis and to maintain the function of the joint. Longstanding temporomandibular joint ankylosis which starts during the active growth period in early childhood resulting in facial asymmetry. Thus, the importance of the evaluation for the facial asymmetries and unfavorable remodeling of the mandible has to be considered during the initial treatment planning. Further operations, either osteotomies or distraction osteogenesis, are required for the treatment of maxillofacial deformities. The present study reports a case of unilateral TMJ ankylosis treated by interpositional arthroplasty prior to distraction osteogenesis for the treatment of mandibular secondary deformity. Various treatment procedures and timing protocols are reviewed and discussed.
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