Philips Sonicare DiamondClean Review

DiamondClean Electric Toothbrush by Sonicare

Our Verdict

The DiamondClean is a smart looking toothbrush that cleans the teeth really well.

The additional cleaning modes and in case charging are particularly appealing.

But, it has been replaced with the newer and more current DiamondClean 9000. This new 9000 model is the one to go for.

Only buy the original DiamondClean if you can purchase it at a really great price.

Pros

  • Stylish, minimal design available in 5 colour options
  • 2 brush heads included in the box
  • 3 solid weeks of battery life
  • Travel case that supports in-case charging

Cons

  • No pressure sensor to alert you if brushing too hard
  • Design is such that it lacks some practical grips
  • No Bluetooth
  • Better value options (see other choices)
Preview Product Rating Price
Sonicare DiamondClean - Rose Gold Sonicare DiamondClean - Rose Gold 57 Reviews $ 325.00

The 3 BIG questions about the Sonicare DiamondClean

If you are short of time, the answers to the following 3 questions should let you know all you need to about the Sonicare DiamondClean electric toothbrush.  If I have missed something, let me know in the comments.

If you want more detail, you can read my full Sonicare DiamondClean review further down the page.

1. Is there anything drastically wrong with this toothbrush?

No, far from it.  It offers great performance and cleaning.

Very good battery life, available in a range of colours, a smart travel case, but the minimalist design does work against it somewhat.

We have given a rating of 4/5 to the DiamondClean.

It is arguably a bit dated now with the newer DiamondClean 9000 replacing it.

2. Which other brushes should I consider?

Pick the DiamondClean 9000, it is the replacement to this model.

It comes with more features and a revised design for improved reliability, for no additional cost.

You could also consider the range topping DiamondClean Smart which offers the benefits of real-time tracking as well as some extras in the box, but it does command a price premium.

Philips Sonicare DiamondClean Smart Sonic Electric Toothbrush with Smart Brush Head Sensors and 5 Brushing Modes, Luna Blue, HX9954/56
Philips Sonicare DiamondClean Rechargeable Sonic Electric Toothbrush with 5 Clean Modes, 2 Brush Heads and Travel Charging Case, Rose Gold, HX9312/04
Brush Name
Sonicare DiamondClean Smart
Sonicare DiamondClean
Customer Rating
Electric Teeth Rating
5/5
4/5
Price
$ 398.00
$ 325.00
Prime
Philips Sonicare DiamondClean Smart Sonic Electric Toothbrush with Smart Brush Head Sensors and 5 Brushing Modes, Luna Blue, HX9954/56
Brush Name
Sonicare DiamondClean Smart
Customer Rating
Electric Teeth Rating
5/5
Price
$ 398.00
Prime
Philips Sonicare DiamondClean Rechargeable Sonic Electric Toothbrush with 5 Clean Modes, 2 Brush Heads and Travel Charging Case, Rose Gold, HX9312/04
Brush Name
Sonicare DiamondClean
Customer Rating
Electric Teeth Rating
4/5
Price
$ 325.00
Prime

3. Where is the best place to buy the DiamondClean?

Quite a few stores stock the DiamondClean, including Harvey Norman, Bing Lee, Myer and Amazon.

Why should you listen to us?

Electric Teeth is an independent organisation with a mission to simplify dental health.

Our team is a mixture of consumers and dental professionals.

We strive to create honest, informative content, telling you the facts, good or bad.

We are not sponsored by big brands or healthcare companies. Our site is funded by affiliate revenue and ads, but we only recommend products that we have tested and truly believe to be worth your money.

Why not watch this short video to find out all about us?

And now for a bit more detail….

The DiamondClean is the premium range of brushes from Sonicare.

As a result, it is also one of the most expensive.

An excellent brush, it is not faultless, but the strong cleaning performance, battery life and variety of colour options set this brush up to stand out from the competition.

Variants of this toothbrush

At the time of writing there are 4 different colour variants of the DiamondClean, they are:

  • Black – HX9352/04
  • Pink – HX9362/67
  • Rose Gold – HX9312/04
  • Amethyst – HX9372/04

Technically they are the same toothbrush, but the provided travel case is colour matched to the handle.

They all come with the same actual items in the box, as listed in the ‘What’s in the box’ section.

In addition to these 4 colour variants you have the following options:

  • Black – HX9352/49
    • The standard model with 2 extra brush heads (1 x C3 Premium Plaque Defence & 1 x TongueCare+)
  • Black – HX8491/03
    • The standard model (less 1 brush head) with 1 x black Airfloss Pro/Ultra included.
  • Pink – HX8391/02
    • The standard model (less 1 brush head) with 1 x Pink Airfloss Pro/Ultra included.
  • Black/Pink – Dual Handle – HX9368/65
    • Contains 2 brush handles (1 x black & 1 x pink)
    • 2 x TongueCare+ head included
    • No travel case provided
    • 1 x Glass charging stand

What’s in the box?

  • 1 x Philips Sonicare DiamondClean rechargeable toothbrush
  • 2 x DiamondClean brush head
  • 1 x Charging stand/glass
  • 1 x Travel case
  • 1 x Travel case charger
  • 2 x Travel cap
  • Documentation

Please note: Images used for illustration purposes. Exact model may differ slightly.

Key Features

  • Sonic cleaning action
  • 5 different cleaning modes
  • Built-in rechargeable battery
  • 3 week battery life
  • 2 minute timer
  • 30 second pacer
  • Automatic power off

Pro & Cons

Here are what I consider to be the pros and cons of the Sonicare DiamondClean.

The Positives

  • 5 cleaning modes – Whilst most generally stick to just one cleaning mode, ‘Clean’ this brush caters for different user needs with 5 useful and distinctly different modes.
  • Battery life – An impressive 3 weeks of battery life is available from the fully charged Lithium-Ion battery and it is simple and easy to charge.
  • Travel case – Great for protection when being transported, the addition of in the case charging via USB is a real bonus for the more connected traveller.
  • Automatic power off – It is a very simple, yet effective means of conserving battery power that psychologically saves more effort than you think.
  • Brush heads – 2 included in the box. Engineered for really giving your teeth a good clean and buff them to a nice shine.

The Negatives

  • Design – The fairly slim profile looks great, but the cleaning modes are virtually impossible to read unless the brush is powered on and the brush is a little more slippery than some.
  • Pressure sensor – No system to alert you if you are brushing too hard.
  • Bluetooth – Arguably a gimmick for some, for a flagship brush I think it could have included it to ensure it is more in line with the competitor’s products.
  • Travel case power connection – MiniUSB, the charging port of choice on the travel case is dated. At worst this should be MicroUSB or even the new and even more future proofed USB Type-C.
  • Price – Expensive for what it offers in comparison to alternatives available today.

Design, usability, clean & general use

Sleek and stylish are just two words that I could use to describe this brush.

I really like that this brush comes in an array of colour options, making it more appealing to a wider audience.

Philips Sonicare DiamondClean Review 1

Smooth to the touch there are no lights (until switched on) or unsightly icons or buttons on the DiamondClean brush handle.  In fact, I would argue that Sonicare have almost gone too minimal.

Whilst the handles have more of a matt finish to them and are not exactly slippery in hand, there are no raised grips or textured surfaces at all.

Running down the handle there is the Sonicare logo in a grey colour.

Below this is the power button, which has a depression that the thumb fits comfortably into.  It is not easy to accidentally press this, but does not take too much force to activate.

Philips Sonicare DiamondClean Review 2

There is a green power icon on the button to indicate that it is this, but that icon is not backlit.

Under the power buttons are the names of the cleaning modes and the battery status icon.

These cleaning modes are lit when selected and the brush is running, as is the battery icon.  With the power off you can hardly see these names in the handle at all.

To access the different modes, you need to power on the brush and then press again, possibly multiple times to access the cleaning mode required.

The cleaning modes run in this order:

  • Clean (Press power button once)
  • White (Press power button twice, once to turn on and then again to change the mode)
  • Polish (Press power button three times, once to turn on and twice to change the mode)
  • Gum Care
  • Sensitive
Philips Sonicare DiamondClean Review 3

The brush will remember the last cleaning mode used, if the brush automatically powers off at the end of the cleaning cycle.

So if polish was the last mode used and the brush turned itself off, when you next power it on, it will start on polish so you will not be required to make three presses like you might if it was brand new and never before used.

In principle this is good and the brush looks smart, but you have to actually power the brush on to see what cleaning mode it is on.  So if you can’t remember what you last used, power it on to take a look, but remember to do this before adding toothpaste!

I get the minimal look and design but for me this has gone past the point of practicality.

Sorry I have to knock points off for Philips here.  On other models they have another button to cycle through modes.  I get the idea why, but I will take function over design in this instance.

This is perhaps worsened, if like many the brush handle is shared between users.  You constantly need to check and maybe cycle through the modes.  The redeeming feature is that 5 cleaning modes makes this applicable for a wide array of users.

The different cleaning modes, which we summarise below but explain in more detail here, last for differing amounts of time and deliver different frequencies and brush strokes to the teeth to deliver a different clean.

A little more detail on each:

  • Clean – The ultimate in plaque removal (Standard mode). Lasts for 2 minutes.
  • White – Whitening mode of 2 minutes to remove surface stains, plus an additional 30 seconds to brighten and polish your front teeth. Lasts for 2 minutes and 30 seconds.
  • Polish – Quick 1-minute mode to brighten and polish your front teeth.
  • Gum care – Complete mode combines Clean mode with an additional minute to gently stimulate and massage your gums to improve gum health. Lasts for 3 minutes.
  • Sensitive – Extra gentle mode for sensitive teeth and gums. Lasts for 2 minutes.
Philips Sonicare DiamondClean Review 4

To get maximum effect from the electric toothbrush, be sure to learn how to brush your teeth correctly, notably with the correct brushing angle. Also, do not scrub the teeth. Apply light pressure to maximise Sonicare’s effectiveness and let the Sonicare do the brushing for you.

Compared to a manual brush the DiamondClean with the provided brush head could remove more plaque and leave you with healthier gums and whiter teeth in a matter of weeks.

This brush has a quadpacer.  This is an interval timer that beeps and briefly pauses to remind you to brush the 4 sections of your mouth. Depending on the brushing mode you have selected, the quadpacer beeps at different intervals during the brushing cycle.

It is the timer, that at the end of the brushing cycle selected will turn the brush off to conserve power and alert you to the clean being complete.

If you want to continue, just press the power button again.

Philips Sonicare DiamondClean Review 5

This brush offers up to 3 weeks battery life from the built-in battery, but more on that later.

The brush does a great job of cleaning and at no point did I feel the brush had done a poor job, my teeth felt clean and refreshed after each clean.

On the base of the brush is a silver plate.  This is the inductive charging panel.  There is no recess for a prong to charge the brush, like there are with many other models.

Just sit this brush in the charging stand provided or in the case and the charge is transferred through this plate.

At the top of the brush handle is the detachable and interchangeable brush head.

Rather appropriately, the DiamondClean comes with 2 x DiamondClean brush heads in the box. These are just 1 of a numnber of brush head styles available from Sonicare.

You can select the heads that is right for you and your oral health goals.

You can learn more about the different types of Sonicare brush heads in our detailed guide.

Any of the heads can be purchased separately, you do not have to stick to the DiamondClean style provided. Pack sizes and availability to vary.

The heads are easily replaced, pull off and push on.  Remember to change them every 3 months, sooner if the bristles are worn of the reminder bristles have faded.

The reminder bristles are the blue coloured bristles which over a typical 3 month period will fade from a relatively strong blue to white colour.  If they turn white, replace the head.

Some users share a brush handle with family members or a partner for convenience and to extend the value. Given the various cleaning modes and specialised heads, it would be nice to include or have available some form of brush head storage compartment to allow storage.  Third party options do exist.

Philips Sonicare DiamondClean Review 6

Another neat feature of this brush is the ‘Easy-Start’ option.

Designed specifically for first time users, to help them ease into using an electric toothbrush. The Easy-start feature gradually increases the sonic power over the first 14 brushing sessions.

Brushing must last at least 1 minute to properly advance through this ramp-up cycle.

Easy-start can be deactivated.  To do so, just place the handle in the plugged-in charging base or charging travel case, then push and hold the on/off button for 2 seconds; 1 beep indicates the Easy-start feature has been deactivated; 2 beeps indicate the feature has been reactivated.

The brush itself is water resistant, but not water proof.  This means if you rinse it under the tap and it gets wet, don’t worry too much.  However, the brush is not designed to be used in or under water, so avoid using in the shower or bath.  A rinse and a damp cloth is fine for cleaning.

Philips Sonicare DiamondClean Review 7

With 21 days of battery life this slim profiled brush handle is really quite impressive, yet it comes with 2 charging solutions in the box.  The first is a glass charging stand and the other is a travel case.  I explain more about each of these in the ‘Battery’ section of the review below.

A neat addition, I particularly like the travel case.

The case is colour matched to the brush, is of a rigid construction with a soft touch material coating over the harder inner shell.  This not only provides excellent protection to the brush handle and up to 2 brush heads, but it also looks smart.

It is not small, but then again you do not expect it to be.  The case closes magnetically too, which is a nice touch.  It is easy to open again so the magnets are not that strong.

The brush can be charged in the case which is great and it can be connected to mains power or a USB socket on your computer or charger, much like a smartphone.  It is a shame unlike a smartphone Sonicare stuck with a dated connector, more on that below too.

Philips Sonicare DiamondClean Review 8

2 features that are in my opinion missing is a pressure sensor and Bluetooth connectivity. Both have been resolved with the new DiamondClean 9000.

A pressure sensor is not that common on Sonicare brushes, but is on Oral-B.  As the name implies if too much pressure is applied during cleaning a light is illuminated to alert you and you can reduce this so as not to do damage to the teeth.  You soon learn, but the inclusion of such would help new users I think.

To be fair the brush will make a straining sound if too much pressure is being used, but you need to listen out for that.

Now the second feature I believe they are missing is Bluetooth connectivity.  It can be argued quite convincingly that this is a gimmick and not needed, but what’s the harm in including it?  Its use then becomes optional.

If you have missed this whole Bluetooth in a toothbrush thing then allow me to briefly explain.

Some brush handles include this and via an app available from the relevant app stores, your smartphone communicates with the brush to show you in real-time, cleaning time, mode and performance. It then logs this for future reference.

For years we have done without the need for such, but it does add a new and appealing dimension.

Sonicare have actually overall probably done a better job of implementing it that Oral-B have, yet Oral-B have it on a lot more models than Philips.

Given this brush is competing with the Genius 9000 and Genius AI, it is an omission that will favour Oral-B.

For that added extra peace of mind, the brush comes with a 2 year warranty that covers mechanical faults like the battery no longer charging or the power button not working.  It does not cover user damage.

Summary of design, usability, clean & general use

  • Slim and comfortable brush to hold
  • Minimalist design has perhaps gone too far
  • 5 cleaning modes
  • 1 brush head included
  • Alternative brush heads available
  • Built-in 30 second pacer and 2 minute timer tells you when to change quadrant and finish brushing
  • Automatically powers off at the end of cleaning cycle
  • Easy-start function
  • Great travel case, even if the connector is dated
  • Lacks a pressure sensor and Bluetooth
  • 2 year warranty as standard

Battery life

With any Sonicare by Philips product I have used, the battery life has always been really impressive.

In part, the battery technology used has a part to play.

The DiamondClean has a Lithium-Ion battery, the same sort that you have in your smartphone.  This type of battery lasts and performs better than older battery technology like Nickel Metal Hydride (NiMH).

This brush can last up to 3 weeks on a full charge and if you only use the ‘clean’ mode twice a day for 2 minutes.

The automatic power off facility helps conserve power, by turning the brush off at the end of each clean.

Some modes like deep clean last longer and thus consume more power and will reduce the usage time  At worst 2 weeks battery life is to be expected.  That is still a couple of days better than Oral-B brushes.

My testing confirmed the advertised 3 weeks cleaning time.  So that is some 84 minutes of cleaning time or 21 days based on 2 x 2 minute cleans each day.

Unless you are a frequent traveller, you will likely leave your brush at home on the stand all the time.  It is quite safe to leave it on the charger at all times, but with such a long battery life you do not need to.

The charger with the DiamondClean is actually a bit different, it is actually a charging glass.

Philips Sonicare DiamondClean Review 9

The charging glass is made up of 2 pieces.  A plastic plate that the power cord is wired into and the glass that sits on top.

The plate sits on a worktop and connects to a 2 pin Australian mains supplu, but does have support for 100-220v, meaning it is perfectly possible to take this with you travelling, but you might need a plug adapter.

Not plastic, the actual glass that sits on the top is a chunky and weighty piece that looks much like a glass you may have a slow/stiff drink from.

Branded with the Sonicare logo, the brush sits at a slight angle in the glass and not upright like you might expect.

Despite no charging prong fitting into the base of the brush, it still manages to charge the brush though, it does so wirelessly.

Without doubt, it looks stylish and fits in with the aesthetics of the DiamondClean brush itself.

The whole setup does take up a bit of space though on a worktop.

Taking up to 24 hours to charge the brush fully, if your battery is low and you want a quick top up, you are going to need to leave it for 30-60 minutes really to give a bit of change in the handle.

Philips Sonicare DiamondClean Review 10

One of the more novel and desirable elements to this brush is the premium travel case that allows the brush to be charged inside it.  This is great for those that travel frequently as you don’t need to take the charging glass.

On one end of the case is a miniUSB connector.  Attach the supplied USB to miniUSB cable to this and the brush can be charged in the case from a USB port on a socket or from a computer.

It is a shame that the case uses an older MiniUSB rather than MircoUSB or even USB Type C. That way you could share the charger for many smartphones with the case too, meaning one less cable to take with you.

The battery icon on the brush handle will flash green until fully charged.

A rapid yellow flashing icon indicates that the battery is low and that you have fewer than 3 uses left.

Summary of battery life

  • 84 minutes of usage time or 21 days usage based on 2 cleans a day
  • A charging glass is included in the box
  • Takes up to 24 hours to charge fully
  • The battery status light flashes green until fully charged
  • Works on 100-240 volts
  • Charging travel case supplied

Price & where to buy

I have included links to buying options here at the start of the review.

In the section below, I discuss the price more generally and in relation to similar products.

With a recommended retail price of $369 it is fair to say that this brush is not cheap.

Particularly when you compare it to competing models

It is not uncommon for an electric toothbrush to be discounted. Oral-B models can be discounted up to around 50%, but unfortunately Sonicare models tend not to enjoy such large discounts.

The average selling price of the DiamondClean is $330, so a saving of about $40 or a discount of about 10%.

Whilst the brush is supported by a 2 year guarantee, here at Electric Teeth we work out the cost over a 3 year period to give a good benchmark of the cost.

You don’t need me to tell you that every 3 months you need to replace the brush heads, so over 3 years we need to factor in the cost of 10 additional brush heads, which typically cost $12 each.

With a purchase price of $330 plus $120 in brush heads, the cost will be $450 or $0.41 per day.

This is expensive!

The DiamondClean Smart, which is more feature rich than the DiamondClean and is the flagship Sonicare product costs $0.46 per day.

And the new replacement, the DiamondClean 9000 even works out the same sort of price as this version.

Quite frankly, unless you can get a ridiculously good price on this brush, do not buy it. Better models exist.

If you are prepared to switch brands, you could have Oral-B’s range topping Genius AI, for just $0.29 per day. Not only is the initial purchase price lower, but the cost of the replacement brush heads are almost half that of Sonicare. Oh, and it has all the features this is missing.

Philips Sonicare DiamondClean Review 11

There is a good chance the brush will last longer than the 3 year period and using the same brush handle but switching heads with other users in your household will only help bring the cost down and drive more value from it.

All of this is of course my opinion based on my knowledge and experience, but it is up to you to make the decision that is right for you.

When it comes to making the purchase, if this is the bruh for you, be sure to shop around and pay the price you are comfortable with and from a retailer you trust.

Please note that all prices quoted are approximates and will vary based on location, supplier and time of purchase.  These figures were correct at the time of writing and should not be relied upon as hard fact, but used as a guide during your decision process.

Summary of price & where to buy

  • Recommended retail price of $369
  • Generally available for around $330
  • Brush heads typically available for $12 each
  • Works out at around $0.41 per day over 3 years
  • Share brush handle with another user to extend value
  • Better value models exist

Reliability & long term use

Here at Electric Teeth to test the electric toothbrush in a way that you would use it at home.

We have tested every toothbrush we write about. Initial hands-on gave no real cause for concern, but extended usage has revealed some reliability issues.

Feedback from readers suggests the DiamondClean’s reliability is not as good as we would like to see. Many have had to have theirs replaced under warranty.

The exact faults do differ, but most common is failing to power on at all and the brush turning itself on without being handled.

Our own model stopped working just after 2 years for no apparent reason.

If it does go wrong, it is backed by a 2 year warranty.

Conclusion

The DiamondClean electric toothbrush is overall a very good toothbrush.

It offers a lot and ultimately does a great job of cleaning your teeth.

The battery life is super, the build quality is equally as good and the very functional travel case is desirable as is the range of colours it can be purchased in.

But, it has been replaced with the newer and more current DiamondClean 9000. This new 9000 model is the one to go for.

Only buy the original DiamondClean if you can purchase it at a really great price.

Philips Sonicare DiamondClean Smart Sonic Electric Toothbrush with Smart Brush Head Sensors and 5 Brushing Modes, Luna Blue, HX9954/56
Philips Sonicare DiamondClean Rechargeable Sonic Electric Toothbrush with 5 Clean Modes, 2 Brush Heads and Travel Charging Case, Rose Gold, HX9312/04
Brush Name
Sonicare DiamondClean Smart
Sonicare DiamondClean
Customer Rating
Electric Teeth Rating
5/5
4/5
Price
$ 398.00
$ 325.00
Prime
Philips Sonicare DiamondClean Smart Sonic Electric Toothbrush with Smart Brush Head Sensors and 5 Brushing Modes, Luna Blue, HX9954/56
Brush Name
Sonicare DiamondClean Smart
Customer Rating
Electric Teeth Rating
5/5
Price
$ 398.00
Prime
Philips Sonicare DiamondClean Rechargeable Sonic Electric Toothbrush with 5 Clean Modes, 2 Brush Heads and Travel Charging Case, Rose Gold, HX9312/04
Brush Name
Sonicare DiamondClean
Customer Rating
Electric Teeth Rating
4/5
Price
$ 325.00
Prime

Electric Teeth Rating

Electric Teeth 4 Star Rating

Size Guide

  • Height (without head) – 19.3cm
  • Height (with head) – 25.5cm
  • Width – 2.7cm
  • Thickness – 2.8cm
  • Weight (without head) – 135g
  • Weight (with head) – 142g

All are approximates

FAQ

  • Is the Sonicare DiamondClean an oscillating brush?
    • No, it is not.
  • How many brushing modes does the Sonicare DiamondClean have?
    • This brush offers 5 different cleaning modes.  Press the power button to switch the brush on, then again to be taken to the next cleaning modes available.
  • What brush head does it come with and what alternative ones can be used?
  • Does the Sonicare DiamondClean have a pressure sensor?
    • No, it does not.
  • Does the Sonicare DiamondClean have Bluetooth?
    • No, it does not.
  • Does the Sonicare DiamondClean come with a warranty & how long is it?
  • Does the DiamondClean have a built-in timer?
    • Yes.  At the end of a 2 minute cycle, the brush automatically turns off signalling the end of the cleaning time.  If you want to extend your clean, you will have to power the brush back on. It does also have a 30 second pacer also referred to as a quadpacer.  At 30 second intervals a slight pause in the brushing mode to tell you to change quadrants.  There are 4 quadrants to the mouth.
  • How long does the battery last?
    • The battery lasts up to 84 minutes, which is equivalent to 3 weeks or 21 days of usage based on 2 x 2 minute cleans per day.
  • Does it come with a charger?
    • Yes, a charging station is included with the toothbrush along with a travel case which can also charge the brush.
  • Can this be fixed to a wall?
    • The charging station has not been designed to be fixed to a wall.
  • Can I use the Sonicare DiamondClean in the shower?
    • No, the manual specifically states not to use the DiamondClean in the shower or bath.
  • Does it come with a travel case?
    • Yes.  The DiamondClean comes with a hard travel case that holds the brush and up to 2 brush heads.

Your Opinions

Do you own or have you used the Philips Sonicare DiamondClean?

Are there certain features that you really like or dislike?

Let us know what you think about this brush and let others who may well be considering purchasing one know your opinions before they do.

Jon Love
Sonicare DiamondClean
41star1star1star1stargray

About Jon Love

Jon is a leading voice on electric toothbrushes and has been quoted by mainstream media publications for his opinions and expertise.

Having handled & tested hundreds of products there really is very little he does not know about them.

Passionate about business and helping others, Jon has been involved in various online enterprises since the early 2000s.

After spending 12 years in consumer technology, it was in 2014 that he focused his attention on dental health, having experienced first-hand the challenge of choosing a new toothbrush.

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