I have had this for 6 months now, have tried to eliminate things and figure out the cause, still haven't figured that out but one thing I have figured out....STOP using toothpaste with sodium laureth sulfate (or sodium lauryl phospate, could be one of many names), it aggravates and makes the condition worse! Most toothpastes contain it, it is a sudsing agent! Do not use tooth whitening systems either, it also contains it! I have been using plain baking soda to brush my teeth and has helped tremendously, hoping that it goes away!View Thread