Teeth naturally change color over time, but they are also susceptible to further discoloration from other factors. Certain drinks like coffee, red wine and tea can increase stains. You’re also likely ...

Add Yahoo as a preferred source to see more of our stories on Google. Flossing is just as important as brushing your teeth. PeopleImages/Getty Images To whiten teeth, it's most important to brush and ...

Ever looked at someone's teeth when they smile and think to yourself, how can her teeth be so white? How come mine are yellowish and dirty? As it turns out, you can have perfectly white teeth, and no, ...