mouthwatchers - manual toothbrushes - clean teeth for adult - 6 count - floss bristle silver - invented by doctor plotka's mouthwatchers the mouth watchers manual toothbrush offers a breakthrough in oral care by providing the optimal cleaning experience. the revolutionary dual layer flossing bristles, reach into areas untouched by prior toothbrushes, leaving teeth and gums feeling just as clean as after a professional dental cleaning. two awesome reasons why this manual toothbrush is the best handheld toothbrush on the market! reason 1: revolutionary silver bristles. a single toothbrush is home to millions of harmful micro-organisms thrive on a toothbrush after use. in a warm, moist environment of an average bathroom, on your toothbrush can double every 20 minutes resulting in as many as 100 million micro-organisms on your toothbrush.this bacterium can lead to illness, cavities and gum disease. eliminate 99.9% of that builds up on bristles in 6 hours due to our proprietary silver bristle technology! reason 2: superior "dual action" flossing bristles our patent pending flossing bristles are 10x thinner than bristles on ordinary toothbrushes and 1 micrometer (1/100th the diameter of human hair) at the tip! long, soft dental floss bristles for cleaning between teeth and in hard to reach locations, particularly the fossa region, where 90% of cavities but also along the gum line region. thicker, harder inner bristles ensure complete cleaning. made from advanced pbt (polyester) plastics, these bristles outlast less expensive nylon bristles found on competitive toothbrushes. extra soft bristles are great for people with sensitive gums, crown and bridge work and even braces!