I had SCC back in 2009, chemo/ radiation cleared it up, but left my mouth a mess. I have had the same dentist for 20 years and they were very accommodating with me. I am NPO and aspirate all the time They stop when I start to gag and I do have trismus from the radiation and they do deal with my smaller mouth opening. Your question is important as all of have "weaker" teeth since radiation. I am diligent about my care and get my teeth cleaned 3x a year. It is just one more hurdle we have to jump over.

Steve