Researchers have developed a teeth-whitening powder that works with the vibrations of an electric toothbrush to safely remove ...

Dreaming of a whiter smile but frustrated by those persistent stains thanks to the effects of your daily coffee (or wine) fix? Less-than-white teeth can be a real confidence killer, but don't worry — ...

Tooth whitening has long forced people to choose between brighter smiles and stronger enamel. A new vibrating tooth powder aims to end that tradeoff, promising to lift stains while actually rebuilding ...