Philips DiamondClean 9000 Series Sonic Electric Toothbrush - Black - HX9911/89
Start every day in style with advanced Sonicare technology for whiter teeth and oral health. Gentl...Start every day in style with advanced Sonicare technology for whiter teeth and oral health. Gentle on gums with a connected app for coaching and tracking. Choose from 4 modes and 3 intensities for a personalised brushing experience. This advanced Philips sonic toothbrush provides improved oral health with up to 10 x better plaque removal¹ with the C3 Premium brush head for naturally whiter teeth. Personalise your brushing with this electric toothbrush: choose from 4 brushing modes and 3 intensity levels to meet your oral healthcare goals. Safe and gentle: if you apply too much pressure, the handle will pulse slightly, reminding you to ease off the pressure, thereby protecting your teeth and gums. Perfect your brushing routine: connect your toothbrush to the Philips Sonicare app for coaching and progress reports. #1 dental professional-recommended sonic toothbrush brand worldwide²: benefit from Philips expertise to keep your teeth and gums in the best condition.
The Philips Sonicare DiamondClean 9000 Series electric toothbrush is designed for individuals seeking advanced oral hygiene with personalized guidance. Its key advantage lies in combining powerful Sonicare technology for whiter teeth and enhanced gum health with an intelligent app for habit improvement. A key benefit includes its gentle approach to gums, making it suitable for most users. However, full utilization of its advanced features, particularly personalized coaching, relies on consistent engagement with the companion smartphone app.
All features
Colour
Black
Series
DiamondClean 9000
Model Part Number
HX9911/89
Brand
Philips
Extended Product Information
FAQs
How often should I charge my DiamondClean 9000?
For optimal performance, charge your toothbrush fully before first use (typically 24 hours). Thereafter, charge as needed when the low battery indicator illuminates, or place it on the charger regularly to keep it ready.
Can I use any Philips Sonicare brush head with this model?
Yes, the DiamondClean 9000 Series is compatible with all Philips Sonicare click-on brush heads, allowing you to choose the head that best suits your oral care needs, such as plaque control, gum care, or whitening.
How do I know which brushing mode to use?
The toothbrush offers 4 distinct modes. For daily comprehensive cleaning, 'Clean' mode is ideal. 'White+' is designed for stain removal and brightening. 'Gum Health' provides a gentle massage for gums. Experiment with modes and intensity settings to find what feels best for you or follow app recommendations based on your brushing habits.
Is the DiamondClean 9000 waterproof?
The toothbrush handle is water-resistant and designed to be safe for use in wet environments like the bathroom. However, it should not be fully submerged in water. Always wipe the handle dry after use.
How does the personalized coaching work with the app?
The Philips Sonicare app connects to your toothbrush via Bluetooth. It tracks your brushing duration, pressure, and coverage in real-time, providing immediate feedback. After each brush, you'll receive a detailed report and personalized tips to help you improve your technique and maintain consistent, effective oral hygiene habits.
How do I know when to replace the brush head?
Philips Sonicare brush heads typically feature fading blue indicator bristles, which signal when it's time for a replacement. Generally, it is recommended to replace your brush head every three months, or sooner if the bristles appear frayed or worn.
Troubleshooting
Toothbrush won't turn on.
Ensure the toothbrush is fully charged. Place it on the charger for at least 24 hours for the first charge. If it still doesn't turn on, try a different power outlet or charging base if available.
App not connecting via Bluetooth.
Make sure Bluetooth is enabled on your smartphone. Restart both the toothbrush (by placing it on and off the charger) and the app. If issues persist, try unpairing and re-pairing the device in the app settings.
Not cleaning effectively or feeling strong enough.
Check that the brush head is securely attached. Try a different brushing mode or increase the intensity setting using the button on the handle. Ensure you are using proper brushing technique as guided by the app.
Battery life seems short.
Ensure you are fully charging the toothbrush as recommended. Battery performance can vary slightly over time. If the issue is persistent and significantly impacts usage, contact Philips support.
Pros and Cons
Pros
Superior Cleaning Performance: Delivers an exceptionally thorough clean, effectively removing plaque and improving teeth whiteness.
Personalized Guidance: The connected app offers insightful coaching and tracking to help users develop and maintain optimal brushing habits.
Gentle on Gums: Specifically designed with gum health in mind, providing a comfortable and safe brushing experience.
Customizable Experience: Features multiple brushing modes and intensity settings, allowing users to tailor their oral care to their specific needs.
Cons
App Integration Required: To fully benefit from personalized coaching and tracking features, consistent use of the companion smartphone app is necessary.
Regular Charging: Requires periodic recharging on its dedicated base, which is typical for electric toothbrushes.
Adjustment Period: Users new to powerful electric toothbrushes may experience a brief period of adjustment to the vibrational sensation.
Setup, Compatibility & Care
Setup
Charge the Toothbrush: Before first use, place the toothbrush handle on the provided charging base and allow it to charge fully for at least 24 hours. The battery indicator will show charging progress.
Attach Brush Head: Firmly push a Philips Sonicare click-on brush head onto the metal shaft of the handle until it clicks into place.
Download App: Download the Philips Sonicare app from your device's app store (available for iOS and Android).
Pair with App: Open the app and follow the on-screen instructions to pair your toothbrush via Bluetooth. Ensure Bluetooth is enabled on your smartphone.
Compatibility
The Philips Sonicare app is compatible with most iOS and Android smartphones. Refer to your app store for specific device and operating system requirements.
This toothbrush is compatible with all Philips Sonicare click-on brush heads.
Care
After Each Use: Rinse the brush head and handle thoroughly under running water. Wipe the handle dry to prevent water spots.
Regular Cleaning: Once a week, remove the brush head and rinse the metal shaft area with warm water to remove any toothpaste residue.
Brush Head Replacement: For optimal hygiene and cleaning performance, replace your brush head every three months, or sooner if the bristles appear frayed or worn.