It may seem simple or obvious to you, but keeping your teeth clean is one of the best ways to ensure ongoing dental health and fresh breath. Proper brushing, flossing and use of mouthwash is the first defense your teeth have against build up film and dental plaque. Here are the top 4 reasons keeping your teeth clean is the key to good dental health. Keeps plaque buildup from getting worse Keeping the surface of your teeth clean can stop any existing issues from getting worse until you get in