gum disease, and oral infections. Bonus: Hydrogen peroxide can also help whiten teeth and remove stubborn tooth stains. To ...

From whitening strips to mouthwash, we found the best teeth ... Usually, these gels include hydrogen peroxide or carbamide peroxide, though you can find some with gentler ingredients.

Some home teeth-whitening kits sold online contain dangerous levels of bleaching chemical that can burn gums and cause tooth ... the recommended amount of hydrogen peroxide, says consumer group ...