Distraction osteogenesis promotes temporomandibular joint self-remodeling in the treatment of mandibular deviation caused by condylar ankylosis
HELIYON(2023)
Abstract
Craniofacial deformity and malocclusion are primary concerns following temporomandibular joint ankylosis (TMJa) in growing patients, and they pose even greater challenges in adult tients. The treatment objectives always involve restoring proper jawbone structure, achieving stable occlusion, and attaining satisfactory joint mobility. This report presents a 4-year follow-up of an adult patient with TMJa-induced mandibular deviation, who underwent a combined treatment approach involving distraction osteogenesis (DO) and orthodontic-orthognathic gery. Orthodontic treatment resulted in favorable occlusion and improved facial esthetics. A condyle with a reconstructed glenoid fossa in a forward position was established after mandibular DO and the damaged TMJ experienced self-remodeling owing to functional improvement. Thus, this case demonstrates the efficacy of DO in promoting adaptive TMJ self-remodeling with term stability when treating mandibular deviation caused by condylar ankylosis in adult patients.
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Key words
Distraction osteogenesis,Orthodontic -orthognathic surgery,Temporomandibular joint ankylosis,Temporomandibular joint remodeling
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