1, Conclusion Radionecrosis of jaws can be cured by extensive resection of sequestrum, immediate vascularized tissue grafts can b...

2, Radionecrosis must be differentiated from cancer recurrence following curative radiotherapy for early laryngeal cancer.

3, Radionecrosis is a common complication in head and neck cancer patients who received post-operative radiotherapy.

4, Result:120 of 123 cases were the primary repair of defect after excision of tumor, and 3 cases defects were caused by radionecrosis of the jaws.

5, HBO therapy could be a useful treatment adjunct for laryngeal radionecrosis.

6, Conclusion Expectant treatment is an efficient therapeutic tool for radionecrosis of jaws.