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 ...

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 ...

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, ...