Canker Sores: How to prevent and treat them

Everyone has suffered from a painful little oral lesion: the canker sore. These dreaded little lesions can pop up and cause some serious oral pain, and most often they appear out of nowhere and really put a damper on ingesting most foods and beverages for a few days (at least).  So, a little helpful info on these horrible ulcers to prevent them and how to treat them if you do get them.What are canker sores?...more