Waterpik Water Flosser, Nano Flosser, Deluxe Traveler Case, Tip Storage Case and 12 Accessory Tips Combo PackThe easy and more effective way to floss. The Waterpik Water Flosser is clinically proven to remove up to 99. 9% of plaque from treated areas and is up to 50% more effective for improving gum health vs. string floss. It's safe, gentle and perfect for anyone with implants, braces, crowns, bridges, or periodontal pockets. Simply fill the reservoir with water, point the tip at your gumline and floss. Water flossing is fast, easy and the best way to