Looking to brighten your smile? (Um, aren’t we all?) We tapped cosmetic dentist Dr. Brian Kantor of Lowenberg, Lituchy & Kantor in New York City for the best at-home and in-office treatments you can ...

Hydrogen peroxide and baking soda can be combined into a paste used to clean grout. Apply the paste to grout lines, let it sit for 15 minutes, and use a toothbrush for applying and scrubbing. Clean ...