Dentistry

Charcoal and white teeth

Charcoal seems to be the latest thing—for cleansing your face and purifying your insides—and even brushing your teeth. But before you start using a charcoal-based toothpaste, it's best to realize that claims that it results ...

Dentistry

50 shades whiter: What you should know about teeth whitening

The effect of teeth whitening was discovered quite by accident. In the past, dentists tried to treat gum disease with mouth rinses containing hydrogen peroxide. They noticed teeth became whiter over time following use of ...