Get a free sample of gingivitis-fighting Crest toothpaste courtesy of Walmart when you answer two questions about your teeth. If you don't appear to have gingivitis, Crest will send you a sample of ...

If you've been periodically rocking canker sores on your inner lips, then it might have to do with the kind of toothpaste you're using. Featured Video Yes, it seems unfair that you, being a ...

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 ...