My teeth are fairly straight I just wanted to make them perfect. I got my invisilign last Saturday 2/3/12. As soon as I left the office , havign both plates in my mouth my lips turned very red and dry as though if I had a wind burn. I also noticed that trying to have lunch that day was not the same as usual. My taste is off and have very little of it, and constantly bit my lips on the inside of my mouth. Does this sound like a common side effect? an allergic reaction to cement, plastic, o