A cleaning experience as unique as your smile. This premium Plaque Defense brush head adapts to the contours of your teeth and gums thanks to its soft, flexible sides, providing four times more surface contact than a conventional brush head for a comfortable, thorough clean. It offers up to ten times better plaque removal than a manual toothbrush. This brush automatically selects the optimal brushing mode for the best results. It is designed to enhance a unique sonic cleaning technology. The replacement brush head is compatible with all Philips Sonicare models.