My wife and I both have the surgery, her for 4 years, myself 1 week. We have had many restaurants accept for her to order from the kids menu while once in a while the server may say no. As far as a specialty buffet as Disney character you will have to pay. I would try to speak with the manager, if possible the day before to see if they could assist you. FYI Disney insurance covers the surgery, so someone in there may know a fellow employee that may have it that would understand. Just saying.