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

<figure> <img alt="The Philips Sonicare Next-Generation DiamondClean 9900 Prestige smart toothbrush against a simulated background full of water." data-caption="" data-portal-copyright="Image: Philips" data-has-syndication-rights="1" src="https://platform.theverge.com/wp-content/uploads/sites/2/2026/09/sonicare1.jpg?quality=90&#038;strip=all&#038;crop=0,0,100,100" /> <figcaption> </figcaption> </figure> <p class="wp-block-paragraph">First <a href="https://www.theverge.com/tech/969271/philip-sonicare-next-generation-diamondclean-9900-prestige-ai-electric-toothbrush">announced in July</a> with an expected limited launch later this year, the Philips Sonicare Next-Generation DiamondClean 9900 Prestige smart toothbrush is now available in Europe and the US, with a broader global rollout expected in 2027. While the <a href="https://www.amazon.com/Philips-Sonicare-DiamondClean-Prestige-Toothbrush/dp/B0GSBM3YPZ/ref=sr_1_1?">previous iteration is still available</a> and discounted from $429.99, the new "Next-Gen DiamondClean" version is debuting for $379.99 even with its added capabilities. It doesn't floss for you, but it's cheaper than <a href="https://www.theverge.com/tech/986737/dyson-camerajet-smart-toothbrush-live-camera-flosser-pricing-availability">Dyson's $499 CameraJet smart toothbrush</a> that <a href="https://www.theverge.com/gadgets/992113/some-of-dysons-500-toothbrushes-are-breaking">some early adopters are having issues</a> with.</p> <p class="wp-block-paragraph"> The Next-Generation DiamondClean 9900 joins a <a href="https://www.theverge.com/tech/873655/anker-nano-charger-smart-display-45w-folding-prongs">growing list of devices with built-in displays</a> t …</p> <p><a href="https://www.theverge.com/tech/1000924/philips-sonicare-next-generation-diamondclean-9900-prestige-smart-toothbrush">Read the full story at The Verge.</a></p>