Philips Sonicare 9900 Prestige Review

In this Philips Sonicare 9900 Prestige review you’ll learn about the most feature-rich, most technology-loaded, and yes – the most expensive Sonicare electric toothbrush of all.

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What’s In This Article?

What is the Sonicare 9900 Prestige Electric Toothbrush?

The Philips Sonicare 9900 Prestige is an advanced electric toothbrush. It offers an amazing cleaning experience and efficiently removes dental plaque, tartar, and teeth stains.

The Sonicare 9900 is travel-friendly, with a premium charging case that doubles as a charging station. The high price may deter some, but there’s little doubt that its superior performance makes it worth the investment.

If nothing but the best will do, the Sonicare 9900 Prestige electric toothbrush is your first choice.

RATING: 4.9 / 5.0

Overall Value4 Star Rating
Design4.5 Star Rating
Performance4.5 Star Rating
Features5 Star Rating
Battery4 Star Rating
Price4 Star Rating

Philips Sonicare 9900 Prestige Review : Key Features

Why is the Sonicare 9900 Prestige a bestselling toothbrush?

There are several features that set apart the Sonicare 9900 from other best Sonicare electric toothbrushes. But only a few of them make it a choice that’s head-and-shoulders above the rest.

  • Quiet operation makes it suitable for shared spaces.
  • Lightweight design is convenient for users with disabilities like arthritis.
  • Compact and light enough to carry along on trips.
  • Premium leather travel case has built-in charger and storage space for a spare brush head.
  • All-in-one brush head eliminates the need to switch between multiple heads.
  • Smart app functions to offer real-time feedback on brushing behavior.

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Philips Sonicare 9900 Prestige Review : Pros and Cons

Let’s look at the benefits and drawbacks of this premium model, the Sonicare 9900 Prestige electric toothbrush.


  • A Smartphone app guides your brushing with real-time coaching, and even personalized advice.
  • Choose from 5 cleaning modes: Clean, Deep Clean, White, Gum Health, and Sensitive.
  • Smart brush heads even automatically select the most appropriate mode to use.
  • 3 intensity levels in each brushing mode: Low, Medium, and High.
  • You can customize cleaning modes and intensity levels.
  • Has 2-minute timer and quad-pacer features.
  • Pressure sensor indicates excessive brushing force by lighting up in purple.
  • SenseIQ technology uses adaptive response to reduce brushing intensity whenever you press too hard. This protects your gums and teeth.
  • Position detection technology tracks brushing movements as they happen, in real time.
  • Smart BrushSync functionality notifies you when it’s time to replace a worn out brush head.
  • Elegant minimalist design for ease of use.
  • Ergonomic and convenient to hold and operate.
  • Powerful sonic motor loosens and removes plaque, as well as superficial stains.
  • Quiet as compared to other electric toothbrushes.
  • Wireless charging does away with any need for a recharging port.
  • Excellent battery life of 25 days with typical use.
  • Premium leather travel case to store and recharge the brush handle. There’s even space for a spare brush head.

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  • Cleaning modes can be switched only through the mobile app.
  • High price. It’s one of the costliest models on the market today.
  • Not all features are of use to every user.

Philips Sonicare 9900 Prestige Review : Reliability

How Reliable is the Sonicare 9900 Prestige Electric Toothbrush?

The Philips Sonicare 9900 Prestige is a premium electric toothbrush that embodies sophistication and functionality.

  • With an elegant leather travel case, you’ll enjoy convenience and portability while keeping the device charged.
  • A slim and lightweight design promotes cleanliness and comfort in use.
  • The all-purpose brush head eliminates the need for switching between different brush designs for your brushing needs.
  • A single full recharge can leave you with a battery life for upto 25 days of regular use.
  • The construction is sturdy and durable, making this an electric toothbrush that will last for years.

However, the minimalist handle design lacks onboard controls, and you must make adjustments through the Sonicare app.

You can create personalized brushing experiences, but it isn’t convenient to make quick mode changes compared to the Sonicare DiamondClean Smart.

Philips Sonicare 9900 Prestige Review : Price and Where to Buy

Sonicare 9900 Prestige

You can buy the Sonicare 9900 Prestige from various retail outlets, including Walmart, Target, Best Buy, and Walgreens.

An easy and convenient option is to order online from trusted e-commerce platforms like This provides the opportunity to enjoy discounts and special offers, potentially saving you money.

Furthermore, online ordering allows for the convenience of doorstep delivery at no added cost.

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Given the added value and features, the Sonicare 9900 Prestige may have a higher price compared to other models. But for users in search of exceptional quality, it still offers great value.

Is the Sonicare 9900 Prestige Electric Toothbrush Right for You?

The Philips Sonicare Prestige 9900 runs on innovative and advanced technology. It truly is a ‘Smart‘ electric toothbrush.

It’s ideal for people who face challenges with brushing. If you’re someone who

  • can’t brush consistently for the recommended duration, or
  • aren’t sure your brushing technique is good, or
  • suffer from severe dental plaque, or
  • want a complete overhaul of oral/dental hygiene

then this toothbrush is a perfect choice. it will help you establish healthier brushing habits and achieve a consistently thorough cleaning of your teeth and gums.

A word of caution: If you’re hyper-sensitive to vibrations, the Sonicare Prestige 9900 might feel uncomfortable initially. However, you’ll quickly adapt to its unique vibration. And it helps that you can adjust the intensity to a lower level.

Sonicare Prestige 9900 review

Sonicare 9900 Prestige Review : Alternative Choices

If you’re working within a tight budget or don’t require the extensive features offered by a Philips Sonicare 9900 Prestige, there are alternative electric toothbrush models you might consider instead.

Affordable options that help maintain excellent dental hygiene include

If you want another premium alternative, the following models are worth exploring:

But let’s face it. The Philips Sonicare 9900 Prestige is the best of the best!

Comparison of Sonicare 9900 Prestige vs Sonicare DiamondClean

MODELSonicare 9900 PrestigeSonicare DiamondClean 9700 Smart
Color choices3 (Champagne, Blue, Pink)5 (Black, White, Pink, Silver, Rose Gold)
Pressure SensorYesNo
Brushing Modes55
Sensitive ModeYesNo
Extra Brush HeadYes (4)Yes (1)
Brush SyncNoYes
Wireless ChargingYesNo
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Sonicare 9900 Prestige Review : Our Verdict

If you desire the satisfaction and pride of owning the most advanced electric toothbrush on the market and consider the investment worthwhile, then the Sonicare 9900 Prestige is the perfect choice for you.


Pros of the Philips Sonicare 9900 Prestige

  • Attractive and durable premium toothbrush.
  • Built-in timer with quad pacer.
  • AI-powered technology for enhanced cleaning performance.
  • Pressure sensor prevents harm to teeth and gums.
  • Impressive battery life for extended use.
  • Wireless connectivity and smartphone app integration.
  • Compact travel case with convenient recharging feature.
  • Real-time feedback for improved oral care.
  • Highly customizable to suit individual preferences.
  • All-purpose brush heads for versatility.
  • Sleek and easy-to-clean.

Cons of the Philips Sonicare 9900 Prestige

  • Considerably higher price.
  • Certain features may be unnecessary for some users.
  • Settings can only be adjusted through Smartphone app.
  • Inconsistent location-tracking.

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Philips Sonicare 9900 Prestige Review : FAQ

1. Is this the best Sonicare toothbrush?

As any Philips Sonicare 9900 Prestige review will confirm, this is indeed among the best-rated and feature-loaded of all Sonicare electric toothbrush models. But there are various factors that may make one or the other model the best Sonicare toothbrush for your unique needs.

2. Is this the most expensive electric toothbrush?

Yes, as of today, the Philips Sonicare 9900 Prestige is one of the costliest electric toothbrush models. This is not surprising, when you consider the range and versatility of its features – and the incredible benefits you’ll enjoy from owning it.

3. Can the Adaptive Intensity feature be turned on or off?

Yes, even though the feature is enabled by default, it can be switched off through the Smartphone app. Access the settings, and under Adaptive Intensity, toggle the switch to off.

4. Is it possible to adjust the feature settings on the toothbrush?

Yes, various features can be customized or switched on and off to suit your preferences. However, these changes cannot be done on the brush handle itself with the Philips Sonicare 9900 Prestige. It can only be done using the accompanying Sonicare app.

5. How to turn off the Scrubbing Feedback feature?

To switch off this feature (the default is setting is active), on the Sonicare app go to toothbrush settings. Under Scrubbing Feedback, toggle the switch to turn it off.

6. How many cleaning modes are there?

On the Philips Sonicare 9900 Prestige you can choose from 5 distinct cleaning modes. Each mode has 3 intensity settings for brushing.

7. How to change the cleaning mode?

Even brushing mode can be changed only using the Sonicare app. Your Philips Sonicare 9900 Prestige electric toothbrush runs on Clean mode as a default. To change to another, open the app and access toothbrush settings.

Tap on the box labelled ‘mode’. A checkmark beside your chosen mode confirms the setting. Then you can start brushing in this mode.

8. Is there a warranty?

Yes, the Philips Sonicare 9900 Prestige comes with a 2 year Sonicare warranty against manufacturing defects.

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CITATIONS5 sources cited

Why Trust a Cavity Zap Review?

At CavityZap, our goal is to provide unbiased reviews of electric toothbrushes. Like this Sonicare 9900 Prestige review.

For an in-depth review, it is important to look at sources that have:

  • experienced using the Sonicare 9900 Prestige toothbrush
  • shared fair, unbiased customer reviews about the product
  • investigated the toothbrush’s specs and extra features
  • evaluated battery life, performance, cost, and design

Every CavityZap review considers these factors before making a recommendation or offering a rating.

All CavityZap content is carefully reviewed and fact-checked by experienced infopreneurs to ensure the information is relevant. But it is not medical advice. See our medical disclaimer here.

We only cite from relevant sources that include authority articles, journals and standard texts on dentistry, and authorized official agencies like the American Dental Association (ADA) and the British Dental Association.

It’s not our aim to convince you to buy any particular model. It’s to give you enough information to decide on your own. No brand or company pays us for an electric toothbrush review.

And while we earn from qualifying purchases, it’s always at no additional costs to you – and never the primary motive to praise or condemn an electric toothbrush!