http://www.oralcancerfoundation.org/treatment/osteoradionecrosis.htmlAlex and I are grateful NOT to have any experience with osteoradionecrosis (ORN) so cannot provide any personal insight. However, there is a great article here on the website that lays out the issues, and treatments in an easy to understand format. the link above will take you there (I hope)
In addition to all the suggestions from others, long term antibiotics may also be an option (depending on your individual situation). You are right you need to find someone who will help you monitor it but I am not sure who that would be and my recommendation is probably a bit far for you to swim