It hurts to even open my mouth, and I'm in agony here trying to eat anything. I have this redness that just appeared around 3/4 of my lips and it looks and feels like a burn but I have no clue what could have burned me. It has been there for about 2 - 3 days now, and if it doesn't go away soon I think I may end up going to see a doctor. This sh!t is sooooo fvcking painful! The only thing I can possibly think of that could have caused it is the dentist. I went to have a filling put in on Wednesday and the rash or whatever the fvck it is is on the side that they were working on. My mouth was being stretched a good bit but I've sat through much more than that while getting braces so I don't think it is stretched. She did use that little radiation gun to dry the filling, the one that has that blue light. Could this have burned me somehow?