making stains more difficult to remove. 1. Coffee: Coffee is undoubtedly the most damaging to our enamel and darkens our ...

Whitening, on the other hand, actually changes the colour of the teeth from the inside out. “We’re talking about removing those stains, breaking them up, and lifting them out of the teeth ...

Various studies suggest that smokers' teeth tend to develop tobacco stains; these may be yellow, brown, dark brown or even ...