Sonicare 9900 Prestige

When testing the Sonicare 9900 Prestige, I was immediately struck by its premium feel and intelligent design. This isn’t just Philips’ most expensive electric toothbrush—it’s a comprehensive oral health system that adapts to your specific needs with remarkable precision.

The SenseIQ technology sets this model apart, actively monitoring my brushing style 100 times per second. Unlike other premium brushes that merely alert you to problems, the 9900 Prestige actually adjusts itself in real-time. When I pressed too hard while brushing my sensitive upper molars, the brush automatically reduced intensity, protecting my gums without any manual adjustment. This responsive, adaptive approach makes it feel like having a dental professional guiding each session.

The AI-powered app integration delivered genuinely useful insights rather than gimmicky features. The 3D mouth mapping clearly highlighted areas I consistently missed (primarily the insides of my upper back teeth), while offering personalised coaching to improve my technique. Even when I didn’t open the app during brushing, it accurately synced my session data afterward, building a comprehensive picture of my habits over time.

What truly justifies the luxury price point is the comprehensive nature of the package—the sleek one-touch interface, the premium leatherette travel case with USB-C charging, and the sophisticated A3 Premium All-in-One brush head that eliminates the need for switching between specialised heads.

After two weeks of testing, my teeth not only felt professionally cleaned, but I also noticed visibly reduced staining on my coffee-loving front teeth. For those seeking the absolute pinnacle of at-home oral care technology, the 9900 Prestige delivers a brushing experience that feels genuinely elevated beyond standard electric toothbrushes.

Cleaning Score: ⭐️ 5/5

Value for Money: ⭐️ 3.5/5