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  • Title: Intra-articular ramus ostectomy combined with costochondral grafting for the treatment of recurrent ankylosis of the mandible.
    Author: Donkor P, Acheampong AO.
    Journal: Br J Oral Maxillofac Surg; 2006 Dec; 44(6):497-500. PubMed ID: 16298462.
    Abstract:
    PURPOSE: This report seeks to demonstrate a technique for treating recurrent ankylosis of the mandible by creating a functional false joint at a level distal to the original joint. PATIENTS AND METHODS: This is a retrospective study involving patients treated between 1999 and 2003. Under general anaesthesia the ramus was exposed via a submandibular approach and a block of bone was removed from it inferior to the sigmoid notch. Temporary intermaxillary fixation was applied. A costochondral graft was interposed between the resected ends of bone and secured with mini-plates. Postoperatively intermaxillary fixation was maintained for 3 days after which the jaw was actively mobilized. RESULTS: The technique was used in the treatment of six patients with recurrent ankylosis of the mandible ranging in age from 9 to 38 years. Follow-up was between 1 and 4 years. All the patients had a satisfactory interincisal opening ranging from 25 to 35 mm. CONCLUSION: The technique does not require the exposure of the ankylosed joint proper but instead creates a false and functional joint at a lower level. It also permits lengthening and advancement of the mandible.
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