Dental Water Jet WP 100 is the easier and more effective alternative to string floss for those who don"t like to floss. And it"s perfect for anyone with braces, implants, crowns, bridges or periodontal pockets. Waterpik Water Flossers are the only brand clinically proven to be an effective alternative to traditional floss for removing plaque biofilm and reducing gum bleeding and inflammation. It features ten pressure settings, a contemporary design that is smaller and quieter than previous models, a covered reservoir with in-lid tip storage, and six unique tips.