The bleach needs to remain on your teeth long enough to sink in. "If you have a bleaching pen and you just rub it on your teeth, that's not going to stay on," says NYC-based cosmetic dentist Dr ...

Tooth discoloration has many causes, from coffee and medication to genetics, so learn about the different types of stains and ...

Tooth whitening is best done in a “healthy mouth condition,” Messina says. “Have a thorough exam, make sure your teeth are clean and that plaque and tartar have been removed.” ...

Whitening trays. These are filled with a gel that you fit over your teeth. They can whiten your choppers fast. But the trays sold in at-home kits aren't custom-made, so they're more likely to rub ...

The bleaching trays, designed to fit snugly on her teeth, are now too large, possibly due to the wearing down of her teeth by the bleach, says Dr. Jennifer Jablow, Gurowitz's dentist.

Hydrogen peroxide is one of the main ingredients in teeth whitening products. You may be able to create a safe and effective solution to do it yourself, but there are some risks. Learn more.

Dentists take molds of a patient’s teeth and then make clear trays that hold whitening gel. Patients need to wear the trays for several hours a day.

The quest for a whiter smile has never been more popular and requests for teeth whitening are numerous. There are a number of different teeth whitening treatments available, ranging from a simple ...

It’s OK to brush your teeth after using the strips, but there are several things to keep in mind. Whitening strips can be harsh on your teeth and gums, so it’s important to be careful.

Whitening Your Teeth While Wearing Braces Is Complicated It’s no small problem. You’re still eating three square meals a day while using braces, but now the plaque and debris of that food ...

Looking for the best whitening toothpaste? We rounded up 9 of them, all backed by dentists. From Colgate to Crest, we have you (and your pearly whites) covered.