Bony free flaps are used to reconstruct head and neck cancer defects. The most commonly used flaps are the free fibula flap and the deep circumflex iliac artery (DCIA) flap. Radiotherapy may be given post-operatively to prevent cancer recurrence. This radiotherapy can, however, destroy the bone; a complication termed osteoradionecrosis (ORN). Although there have been studies comparing free fibula and DCIA flaps in terms of success rates and complications, few have looked at the incidence of ORN in both groups.
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