TePe Interdental Brushes Original Orange for effecient cleaning choose the correct size with the bristles filling the interdental space, For use between back teeth, bend the wire slightly for easier access. Te Pe Interdental Brushes Original Orange are designed specifically to clean in-between your teeth and all those hard to reach places. These special brushes are designed with a metal wire that cleans your teeth thoroughly. With daily use, these brushes can effectively reduce the build-up of plaque - thus preventing gum disease, bad breath and tooth decay.