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 ...

Canker sores are vexing and common. The reason they occur isn’t clear, but your toothpaste could be a factor. An ingredient often used to make toothpaste foamy, sodium lauryl sulfate (SLS), has been ...

Q: I was troubled with recurrent canker sores for a while. The only thing that had changed was my toothpaste. I wanted whiter teeth, so I was using whitening toothpastes. I got canker sores when there ...

Many of us brush our teeth twice a day, but do we really know what’s in toothpaste? Consumer Reports researchers break down the key toothpaste ingredients to look out for. First off, if you have an ...