Hi,
I had HBO last fall.
For me, it, or something else I did, really worked!
After surgery and radiation I had infections about 3 times and the tissue around my split jaw was not healing. A titanium plate, a loose screw, and a lower tooth were removed. Dr Surgeon was talking about bone graft surgery to repair the area. It preparation for surgery, and with the possiblilty that it might help, I did 30 "dives".

Well, I healed so well that there was no need for aditionally surgery! (and I know from Minnie's comments that it is no easy thing). I have had no infections in the ~ 8 months since HBO. So for me it worked out really well (The gum tissue around the jaw incision grew back and the soreness went away).

My radiation oncologist prescribed Trental and Vitamin E, which also help the blood flow to the area & tissue repair. The HBO Dr suggested L-arginine and calcium supplements, so you might want to ask about those.

HBo is also used for wound healing in diabetics.

Yes, the daily treatments and commute takes a lot of time. It because almost like a job for 2 months. But the Good thing, is that it doesn't hurt! And considering other treatments, it seems relatively easy.

I found that it made me sleepy, or more tired, which at first I thought was odd because it any thing I seemed to be getting MORE rest, since I was in the tank resting for 2 hours. But the techs explained that the oxygen speeds up your entire metabolism, so that you feel hungrier, need to eat more, and need more sleep.

At my location, I could not read, but they had a library of videos. It also is a good way to watch a TV series that is now out on DVD.

Good luck!
(and I'd be happy to answer any questions, but as I am much healthier now, I don't check in as often to OCF.)