Even with regular brushing, teeth can become stained from genetic factors or consuming foods and drinks like tomatoes and coffee. Chemical whiteners can help, but they can also damage teeth in the ...

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 ...

Chinese scientists have developed a prototype teeth-whitening powder activated by the vibrations from an electric toothbrush. Scientists hope the findings could lead to a new, effective, and at-home ...