Enjoy an effortless, thorough cleaning between your teeth and improve your overall gum health. Philip Sonicare's Quad Stream technology helps you cover more area with less effort, while Pulse Wave technology gently guides you from tooth to tooth. Keeping up good brushing habits is tough as well. The included ExpertClean toothbrush will guide you between dentist checkups. Know when you adjust your pressure with built in sensors and use the free Sonicare App's progress report to help you stick to your brushing routine.