If you’re like most people, you probably brush your teeth twice a day and floss once. But what about the spaces between your teeth? Most of us just brush them clean with our toothbrush, but that’s not enough to get rid of all the bacteria that can cause tooth decay. That’s why it’s important to use a toothbrush with a special cleaning head designed for between teeth. To do this, put some toothpaste on the bristles of your brush and insert it into between your teeth. Gently scrub around each tooth until it’s clean. Then spit out the toothpaste and rinse your mouth with water. ..