I totally agree, Christine, that all dental related procedures should be considered medically required due to the cancer. I have argued and appealed that point after many thousands of dollars with no luck. Insurance is a blessing to have but it certainly can be a nightmare to deal with. When you say Marx Protocol is that in reference to the hyperbaric chamber? All these abbreviations/navigating are very confusing to me. I'll get the hang of it but computer lingo is not my thing.