In some cases, deep stains can’t be removed through whitening. But at-home teeth whiteners can make a real difference ... be very helpful for maintaining your pearly whites.

With so many options for teeth whitening, it can be challenging to know where ... consistent use will eventually make your smile whiter. Look for toothpaste that contains baking soda or hydrogen ...

It's also common to feel guilty about it and look for ways to make your teeth whiter. Although professional teeth whitening is a common and effective method, it can cost quite a pretty penny.

They may give you a whiter grin at first. But over time, they can wear down your teeth's hard outer shell-- enamel. That can make your teeth more sensitive to hot or cold food and drinks.