15Mar 2023
Rates of osteoradionecrosis in resected oral cavity cancer reconstructed with free tissue transfer in the intensity‐modulated radiotherapy era

Rates of osteoradionecrosis in resected oral cavity cancer reconstructed with free tissue transfer in the intensity‐modulated radiotherapy era

The risk of developing osteoradionecrosis (ORN) following resection of oral cavity carcinoma and subsequent reconstruction with free-tissue flaps is unknown. A retrospective study was conducted on 155 patients who underwent free-tissue reconstruction and postoperative IMRT between 2000 and 2019. The study found that the risk of ORN was comparable between osteocutaneous and soft-tissue reconstruction for resected oral cavity carcinoma. Osteocutaneous flaps can be safely performed with no excess concern for mandibular ORN. Post-radiation teeth extraction was found to be significantly associated with ORN. The one-year and ten-year ORN rates were found to be 5.2% and 10%, respectively.

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