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Philips Sonicare Electric Toothbrush DiamondClean 9400 White - HX9917/88

Philips Sonicare Electric Toothbrush DiamondClean 9400 White - HX9917/88

The DiamondClean Smart 9400 is our best toothbrush for complete oral care. High-performance brush ...

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Product Information

Full details

This guide is for users of the Philips Sonicare DiamondClean Smart 9400 toothbrush, offering a path to superior oral hygiene. With its smart sensors and personalized feedback, you can achieve up to 7x healthier gums in just two weeks. However, maximizing the benefits requires consistent use and adherence to the personalized guidance provided by the app.

All features

ColourWhite
SeriesDiamondClean Smart
Model Part NumberHX9917/88
BrandPhilips

Extended Product Information

FAQs

How often should I replace the brush head?

Replace the brush head every three months for optimal cleaning performance.

Can I use any toothpaste?

Yes, you can use any toothpaste you prefer with the Philips Sonicare DiamondClean Smart 9400.

How do I know if I'm brushing too hard?

The pressure sensor will alert you with a change in vibration and a light on the handle if you are brushing too hard.

What are the different brushing modes?

The modes include Daily Care, Deep Clean, Gum Care, Sensitive, and Whitening.

Is the toothbrush waterproof?

Yes, the toothbrush is waterproof and safe to use in the shower.

How do I clean the toothbrush?

Rinse the brush head and handle after each use. You can also detach the brush head and clean the handle with a damp cloth.

How long does the battery last?

The battery can last up to 336 hours on a full charge, depending on usage and selected mode.

Does the toothbrush come with a warranty?

Yes, the Philips Sonicare DiamondClean Smart 9400 comes with a warranty. Details of the warranty can be found in the product documentation.

Troubleshooting

Toothbrush not turning on.

Ensure the toothbrush is charged and properly connected to the charging base. Try a different outlet.

Bluetooth connection issues.

Make sure Bluetooth is enabled on your smartphone and the toothbrush is within range. Restart the app and the toothbrush.

App not syncing data.

Ensure the app has the necessary permissions. Close and reopen the app, and make sure your internet connection is stable.

Brush head won't stay attached.

Ensure the brush head is correctly aligned and pushed firmly onto the handle until it clicks.

Toothbrush vibrates weakly.

Charge the toothbrush fully. The vibration strength may also vary depending on the selected mode.

Pros and Cons

Pros

  • Achieves up to 7x healthier gums in just 2 weeks.
  • Offers personalized guidance through the Sonicare app.
  • Provides real-time feedback on brushing technique.
  • Features multiple brushing modes to cater to different needs.
  • Includes a long-lasting battery and travel case for convenience.
  • Removes up to 20x more plaque even in hard-to-reach areas.

Cons

  • Requires the use of the Philips Sonicare app to access all features.
  • Initial setup and pairing with the app may require some time.
  • Replacement brush heads are an ongoing cost.
  • The variety of modes might be overwhelming at first.
  • Requires charging; not ideal for those who prefer manual toothbrushes.
  • The initial investment may be higher compared to manual toothbrushes.

Setup, Compatibility & Care

  1. Charging: Place the toothbrush handle on the charging base until fully charged.
  2. App Setup: Download the Philips Sonicare app on your smartphone, create an account, and connect your toothbrush via Bluetooth.
  3. Brush Head Attachment: Firmly push the brush head onto the handle until it clicks.
  4. Brushing: Apply toothpaste, place the brush at a 45-degree angle to your gumline, and gently move it along your teeth.
  5. Cleaning: Rinse the brush head and handle thoroughly after each use. Detach the brush head from the handle for more thorough cleaning.

Compatibility: The Philips Sonicare DiamondClean Smart 9400 is compatible with iOS and Android devices via Bluetooth. Make sure your smartphone supports the Philips Sonicare app. The toothbrush is designed to work with 110-220V power outlets.

Care: Regularly clean the toothbrush handle and charging base with a damp cloth. Replace brush heads every three months for optimal performance. Store the toothbrush in a dry place when not in use. Avoid using abrasive cleaning agents.

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