Philips Sonicare 9900 DiamondClean Prestige HX9992/31
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Philips Sonicare 9900 DiamondClean Prestige HX9992/31
Philips Sonicare 9900 DiamondClean Prestige HX9992/31 Electric Toothbrush
SenseIQ: Artificial intelligence for tailored cleaning
The most advanced Philips toothbrush model combines cutting-edge technologies, a unique brush head shape and the ability to adapt to your individual needs. SenseIQ technology analyses the way you brush your teeth and gums, providing you with personalised recommendations for even more effective care via the app. It works just like a consultation with a dental hygienist—with the difference that professional, tailored care is available every day, right in your own bathroom.
Advanced SenseIQ technology for gentle care
An individual approach with 15 setting options
Removes up to 20× more plaque*, up to 15× healthier gums***
Reliable sonic technology
Effectively get rid of dental plaque thanks to sonic technology. The high-frequency motion creates a dynamic wave that disrupts plaque and sweeps it into interdental spaces and along the gumline. The toothbrush performs up to 62,000 gentle yet highly effective fluid motions. It is safe and also suitable for use with braces, fillings, crowns and veneers.
SenseIQ Technology
During brushing, the toothbrush senses pressure, range of motion and other key parameters up to 100 times per second and instantly evaluates the data. This ensures you use the correct brushing technique, precisely tailored to your needs, for a truly personalised experience. The result is easy, professional care and progressively more effective brushing over time.
Sonicare 9900 senses and adapts
Thanks to artificial intelligence and SenseIQ technology, the DiamondClean Prestige 9900 actively adapts to your brushing technique and continuously optimises it. Operation is as simple as possible—the toothbrush has a single button to turn it on and off. It automatically selects the most suitable cleaning mode based on your needs, so there's no need to switch anything manually. The Clean and Deep Clean modes focus on effective plaque removal, White+ helps to reduce tooth pigmentation, Gum Health promotes gum health, and the Sensitive mode provides exceptionally gentle cleaning. The toothbrush also adjusts the intensity level to be just right for you.
Comprehensive oral care
Maximum thorough cleaning without compromise. The toothbrush with the Premium All-in-One head removes up to 20× more dental plaque, even in hard-to-reach places. It restores a brighter appearance to your teeth, removing up to 100% more stains in just 2 days. It also contributes to improving gum health—up to 15× healthier gums after just 2 weeks. Discover a whole new feeling of perfectly clean teeth and fresh, healthy gums.
Smart toothbrush sensors
The DiamondClean Prestige 9900 toothbrush can instantly alert you to incorrect brushing technique. If you apply too much pressure, the light ring at the end of the handle will light up purple and the toothbrush will alert you with a gentle vibration to reduce the pressure. If you are 'scrubbing' your teeth too intensely, the light ring will turn amber and a vibration will guide you towards a gentler motion. Thanks to this immediate feedback during brushing, you can easily improve your technique and achieve more effective and gentler care for your teeth and gums.
Cleaning with feedback
The Philips Sonicare app highlights problem spots on a 3D map of your mouth and reminds you to pay more attention to these areas. The app alerts you when you have achieved a perfect clean and advises you on how to brush better and more thoroughly. The TouchUp feature guides you back to any missed areas. Brushing reports are saved directly in the app, where you can review them later. All data is automatically synchronised and updated, even if you don't have your phone with you while brushing.
Synchronisation and brush head replacement
The brush head gradually wears out and its effectiveness at removing plaque decreases. Thanks to the intelligent BrushSync technology, the toothbrush automatically recognises when it's time to replace the head. Sensors track how long and how carefully you have been brushing, and alert you at the optimal moment for replacement. For maximum effectiveness, we recommend changing the head approximately every 3 months.
Useful timers
The Smartimer tracks the recommended minimum brushing time of 2 minutes and alerts you when the time is up. The BrushPacer timer guides you to spend enough time on each part of your mouth—divided into four quadrants. These features make brushing your teeth effective and perfectly timed.
Stylish storage and charging
An illuminated indicator on the toothbrush body alerts you to a low battery. When travelling, you will appreciate the compact travel case with USB charging, which is made from soft vegan leather and safely stores the toothbrush. For home charging, there is an elegant puck-shaped base that combines style and practicality.
Philips Sonicare Brush Heads
Choose the brush head that perfectly suits your needs—each type differs in shape and bristle density. All Philips Sonicare brush heads are fully compatible with all toothbrush models of this brand. For the best results, we recommend using genuine accessories.
Extra Warranty
Get a 3-year warranty on tooth and gum care products. Plus, you can get a +1 year warranty for free—simply register your product within 3 months of purchase on the My Philips website. After registration, you will receive a confirmation email with your extended warranty agreement number.
Philips Sonicare 9900 DiamondClean Prestige HX9992/31 Electric Toothbrush Technical Specifications
- Advanced Philips model – SenseIQ technology adapts the clean to your needs.
- Sonic technology – up to 62,000 movements per minute, effectively removes plaque even in hard-to-reach areas; suitable for braces, crowns and veneers.
- Automatic adaptation – the toothbrush automatically selects the appropriate mode and intensity level.
- Comprehensive care – up to 20× more plaque removed, up to 100% reduction in stains in 2 days, up to 15× healthier gums in 2 weeks.
- Intelligent sensors – warns you about excessive pressure or 'scrubbing' with vibrations and light.
- In-app feedback – 3D mouth map, missed area alerts, recommendations for better cleaning, history and data synchronisation.
- BrushSync head – tracks wear and tear and reminds you to replace it, recommended every 3 months.
- Smartimer and BrushPacer timers – the correct cleaning time for your whole mouth and for individual quadrants.
- Stylish charging and storage – compact travel case with USB, elegant home base, battery indicator.
- Genuine Philips Sonicare heads – choose according to your needs, full compatibility with all models, best results with the original.
- Extra warranty – 3 years as standard, +1 year free after registration on My Philips.
Specifications
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Package contents
| Code: | PHIEK102 |
| Warranty: | 24 months |
| Links: | Producer's Website: |