Philips Research developed SenseIQ, a unique technology that senses pressure, motion, coverage and more up to 100 times per second, adapts automatically and in real time, by adjusting intensity when it senses too much pressure is used. The AI-powered Philips Sonicare app works in perfect harmony with the Sonicare 9900 Prestige toothbrush, giving real time guidance and personalized brushing recommendations.
The unique brush head removes up to 20x more plaque , enables up to 15x healthier gums in just 2 weeks  and up to 100% stain reduction in less than 2 days . 62,000 bristle movements and dynamic fluid action help clean even hard-to-reach areas, for an exceptionally fresh and clean feeling.
 Versus a manual toothbrush in a clinical study
 Versus a manual toothbrush in six weeks in a clinical study
 Versus a manual toothbrush in a lab test