Removes up to 10x more plaque for 7x healthier gums in just 2 weeks. The ExpertClean will guide you to keep up good brushing habits between dentist check-ups. Know when you adjust your pressure with built-in smart sensors, and use the App’s Progress Report to help you stick to your brushing routine. ExpertClean gives you the guidance you need to improve and maintain healthy brushing habits in between dentist checkups. Built-in smart sensors let you know when you're using too much pressure, and by connecting your brushing experience to the Sonicare app, a personalized Progress Report helps you stay on track, to see how much you've improved over time. The G3 Premium Gum Care brush head is designed to help you improve your gum health. It’s smaller size and targeted gumline bristles gently and effectively clean the gum line, where gum disease commonly starts out.