for me, nothing works. canker sores are completely random. i've done the vitamin c, the lysine, the non-SLS toothpaste, and it makes no fuggin difference.

Sanna Charlie, DDS, is a San Francisco-based general restorative dentist and an assistant clinical professor for the Preventative and Restorative Dental Sciences at UCSF School of Dentistry. She is ...

Q: I used to have continuous, terrible canker sores. I discovered that my toothpaste was the culprit. Since I brush my teeth daily, it was a never-ending cycle. There is an ingredient (sodium lauryl ...

If you are one of 10% of people who have dry mouth, a common condition that's officially known as "xerostomia," brushing your teeth may exacerbate your symptoms and cause further irritation if you ...