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 ...

The problem with popular teeth-whitening agents, like peroxide-based gels, is that they risk damaging tooth enamel while they bleach. Now, Chinese scientists say they've developed a better option: one ...

Teeth naturally lose their sparkle over time, even if you brush regularly and follow good oral hygiene habits. Everyday favourites like coffee, tea and tomato-based dishes can gradually stain enamel, ...