I’m sorry you are fighting Invisalign. It seems like there is a quite elaborate case, but I have never heard of any individual being told to eat with trays in. I don’t even see how you could chew food stuff with plastic masking the tops of your enamel. Allergic reactions.: http://whatisinvisalign61624.thenerdsblog.com/3038900/not-known-factual-statements-about-invisalign-benefits