Forget strips, gels, and pastes. Your next tooth-whitening and repairing substance might well be a new powder developed by Shanghai researchers. You'll want to use it with an electric toothbrush ...

This teeth whitening powder gave me ‘a brighter smile’ in just two weeks - As far as teeth whitening treatments go, this ...

Scientists develop powder that whitens teeth with just vibration from toothbrush - New powder found to overcome limitations ...