Swishing hydrogen peroxide in your mouth kills bacteria associated with cavities, gum disease, and oral infections. Bonus: ...

Medically reviewed by Edmund Khoo, DDS Trench mouth is a severe, advanced form of gingivitis (gum disease) that causes ...

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 ...