Gap Arthroplasty: Surgical Modality of TMJ Ankylosis

This report describes surgical management of a 13-year-old female with unilateral TMJ (true) bony ankylosis with restricted IIO of 2mm, mandibular retrognathism, difficulty in speech, eating & breathing, along low self-confidence. Unilateral gap arthroplasty through a preauricular approach with ipsilateral coronoidectomy was done followed by aggressive jaw physiotherapy. Post surgically oral prophylaxis, restoration, extraction of carious teeth along speech therapy & psychological counselling were also done to enhance function & boost self-esteem & confidence ultimately resulting in good mouth opening, removing impaired functions & psychological stigma.