When I first got my lower denture, she also said be prepared on the food front. Get lots of soft foods in like soups and puddings and so on, because it is likely that you'll have some soreness in the first week or two. Actually it went on for longer than I expected really, but she said to me, look you know, just remember if you get fed up, if you've got a sore mouth, if you're trying to eat something that's too chewy for you, just remember it's the best excuse there is to eat ice cream, and that's good enough for me really.