This WaterPik Water Flosser Ultra will remove 99.9% of plaque from treated areas. Up to 2x as effective as string floss to improve gum health and reverse gingivitis. Cleans deep between teeth and below the gumline. The Waterpik Sensonic Professional Toothbrush provides state-of-the-art sonic technology with 25% faster bristle tip speed than Sonicare FlexCare. Healthy gums = healthy life!