Philips’ motion-tracking smart toothbrush uses AI to make you a better brusher

Philips has released its new smart toothbrush, the Sonicare Next-Generation DiamondClean 9900 Prestige, which uses AI to track and improve oral hygiene. The toothbrush is now available in Europe and the US, with a global rollout planned for 2027. The older model is still available for purchase, discounted from its original price of $429.99.