Water Flosser – Oscillating and pulsating rotary technology – The Oral-B Water Flosser uses microbubble technology to inhibit the development of bacterial plaque. It creates microbubbles of purified air in the water, significantly reducing gum problems when used with a specific toothpaste. Why use a water flosser? Oral-B dental floss is an excellent addition to daily brushing and the perfect choice to improve gum health. The dental floss removes food debris and gently massages the gums to stimulate blood circulation. The Oral-B Water Flosser is designed for professional cleaning at home.