The latest addition to Philips’ Sonicare line of smart electric toothbrushes could take the guesswork out of your brushing routine. The Next-Generation DiamondClean 9900 Prestige uses a third-generation AI model to provide real-time feedback on how you’re brushing through a glowing ring on its base, while a touchscreen highlights areas of your mouth that may need more attention when you think you’re done.
The Sonicare Next-Generation DiamondClean 9900 Prestige is expected to launch in Europe and the US this fall, with a wider global rollout coming in 2027. Pricing hasn’t been announced, but previous versions sell for $430, and you can expect this new one to be even more expensive.
The toothbrush’s touchscreen lets you swipe through eight cleaning modes including gum health, max clean, and sensitive options. To help ensure you’re not pressing too hard while you brush, causing damage, the glowing ring on the base of the brush changes color to indicate when you should be a little gentler. But the 9900 Prestige also uses pressure sensors to adjust its intensity when you’re pressing too hard so the bristles go easier on your gums.
The touchscreen also displays what Philips calls a mouth map representing your teeth and gums in 12 different segments that are highlighted in blue or orange indicating how effective your brushing was. The 9900 Prestige tracks its movements in your mouth while you brush and areas it deems in need of a little more attention glow orange so you know exactly what areas you need to target during a second pass.
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