Sailor,
I'm not too familiar with this type of treatment but have done a little research for you. The following site seems to be informative and quite factual.
http://www.bccancer.bc.ca/HPI/CancerManagementGuidelines
/HeadnNeck/Management/OralCavity.htm

I hope this is of some use to you.

Cheers,

Mike

Dentist since 1995, 12 year Cancer Survivor, Father, Husband, Thankful to so many who supported me on my journey so far, and more than happy to comfort a friend.
Live, Laugh, Love & Learn.