Ouch

When I was little I used to always get canker sores in my mouth. They say they are caused by food that have a lot of citric acid in them and they are so right. I used to eat lemons by the bags as well as pickles by the jars. They were my favorite foods of all time. I guess I have grown out of that considering I don't know the last time I had either one. Here is a sample of something to give you relief if you suffer from them.
http://www.orahealth.com/pages/cankermelts-free-sample/