Sonicare 9900 Prestige vs DiamondClean Smart
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- čas přidán 2. 07. 2024
- Jon gives his verdict on which brush to pick between these 2 models.
He also lists all the key differences between them.
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🛒 Buy Sonicare Prestige - geni.us/9900prestige-yt on Amazon (commissions earned)*
🛒 Buy Sonicare DiamondClean Smart - geni.us/diamondclean-smart-yt (commissions earned)*
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📌 Written Comparison
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#9900prestige #diamondcleansmart #electrictoothbrush #sonicare #dentalcare #electricteeth
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0:00 - Introduction
0:47 - Verdict
2:19 - Handle design & colors
4:12 - Cleaning modes
4:48 - Brush heads
5:15 - Battery
6:04 - Bluetooth & app
7:36 - BrushSync
8:10 - Scrubbing sensor
8:45 - Adaptive intensity
9:40 - Travel case
10:48 - Charging stands
12:25 - Price
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Great review. Love how at the very beginning you tell the clear winner!
Thank you SO much for these reviews! Very concise, clear, detailed, and informative, Electric Teeth videos are by far the best source of information on electric toothbrushes.
Thank you for the kind words. Much appreciated. 😁
I am watching this video for the second time as a new viewer, now subscriber. I watched this the first time skimming through it assuming the verdict and suggestion would be at the end and was somewhat disappointed to not find it. I now decided to give it a proper watch and to my surprise, the verdict is given at the very start.
It is so refreshing to see a high-quality, in-depth review that provides the flexibility for those who are seeking a recommendation without the detail but to have that detail for those who wish to see it. I was definitely not expecting this - many thanks! Don’t reckon I’ll be needing much guidance on this topic for the future as I’m only browsing this since I’m in the market for a high-end electric tootbrush but had to subscribe to support such excellent content. Keep it up!
Thank you very much for your comment and the kind words.
It is a shame that you assumed that the verdict and recommendation would be at the end, but I am not surprised, for this is common.
We have tried to do things a bit differently. As you noticed. For those that want the quick answer we give it at the start.
And for those who want more detail we include this too.
Which brush have you decided to go for?
Thank you for subscribing too. You might not be in the market for a new toothbrush for a while, but I am sure there is lots of other useful content on our channel that will be helpful. 👍
@@ElectricTeeth I’ve opted for the Prestige 9900. The simplified design and the single brush configuration makes it much more friendly, especially when the metrics and claims show it to be better. On peripherals, the portable case has an edge in aesthetics whilst the charging stand seems more robust and rigid than the glass.
Definitely! Will be looking forward to your content in the future.
Go buy one ok
@@MarS-dc2qx I see you’ve been quite busy searching for electric toothbrush videos!
Hope you’re having fun.
Great comparison, thanks for the effort with posting, very thorough & helpful.
Awesome video! Review comparisons don't get much better than this. Thank you.
Thank you for the comment. Lovely to read.
Thank you for this detailed yet WONDERFUL review!
Great review, thank you it was helpful💙
Thinking of upgrading from 9700 to 9900 because the gab between brush and base is smaller and will cause less buildup.
I have two pieces of Prestige because one of them cannot be turned on anymore. I thought I would buy another one once again. This new one as cannot be turned on as the oldest one. Great job by Philips. I love electric teeth brushes I decided to buy a 9700 smart clean. This it still works to me.
I take it they are both charged up? Have you spoken to Philips? Unlikely but perhaps a batch issue if they were purchased from the same place.
Fantastic review. Thorough review of all the relevant details. All other videos are pretty much sonicare.. it's cool.. it's good.. no details other than talking about their emotions.
Glad it was helpful!
very thorough really appreciate it mate. be well.
I have an old sonicare diamond clean. Using it for 11 years now. The bloody thing just wont die. I have to charge the battery every 3 days now so im going for a new one. Leaning to the Prestige
11 years service, that is very good! 👍
Thank you!
The charging glass is way cooler than the new cheap looking charging stand with the Prestige. I currently own both the 9700 and the Prestige, and although the Prestige is my go to, it really seems like they skimped out in a lot of ways in order to add in the new features and keep the price competitive
Which one do you prefer? I’m kinda not sure whether I want the prestige or the 9700
@@SirJorge. I'd recommend go for Prestige. The design is much better
@@Flame113 I'm currently trying to decide on which one to buy. The thing I'm not really keen on on the Prestige, is that there doesn't seem to be any mode or way to brush your tongue? Or can you do that with the all in one head?
@@lisabayer4411 from what I know, you can use the all in one head brush just fine. I just don’t like the old design, especially the power button (had 2 9300 and they all messed up).
For p/p I’d personally recommend to buy 9700 model with 6 extra head brushes instead. It was sales off for around $199
@@Flame113 thank you! Just ordered the prestige 9900 :D
Great toothbrush but to expensive better off getting a Poma brush. But before using any of the brushes use a waterpik first before brushing
Do your costs per day include the price of the toothbrush over a given life-cycle, e.g. three years? I was quite surprised by how high the daily cost is, I’m guessing this is mostly owing to the cost of replacement heads.
Hi Mat. Yes, we calculate the costs over 3 years. Brushes will normally last a lot longer, for example 5+ years but we just use 3 years for a consistent benchmark as realistically all brushes should last this time.
The cost of the brush heads does affect the price here most certainly.
Prices are subject to change etc, but we have tried to use pretty typical averages.
My Prestige just broke after 11 months. So annoying
Did I understand the App doesn't show the 3d teeth on the Diamond Clean? I saw the U.S. based Phillips website they show that the 3d teeth app was available? I downloaded the app for the Diamond Clean and there isn't a 3d teeth view on the Progress. Any suggestions appreciated.
Hi Mark. What do you mean by 3D teeth exactly? The app does detect you are brushing the front of back surfaces of the teeth and shows this on an onscreen visual, which has a 3D effect to it. It doesn't focus on the biting surfaces of the teeth though.
I’ve had quite a few Philips sonicare I just replaced my 9300 with the 9700 and I just bought a 9500 because it was cheaper (I think the 9 series are mostly the same just more brushes change the name right?) I had a 2 4100 that broke and now the 9300 sounds like it’s going out. Is the prestige having any issues like the 9 series when it vibrates weirdly and sounds super loud?
I can't comment on this. Not had any reports of failures so far. Mine still working fine.
What is the best between the prestige and the diamondclean HX9954/53? It seems that the diamond is more complete and easier on usage (modes, brush heads, etc..) than the prestige..
I really can't decide even if I'm more into the diamond clean HX9954/53
Thank you for the review!
By best I meaned on cleaning the teeth, is there a big difference?
Thank you
Sonicare would argue, based on their data that the Prestige is the better brush for cleaning. That is in part because it comes with the A3 brush head supplied in the box. However, you can buy this separately and use it on the DiamondClean Smart.
In reality, they both clean the teeth as well as each other, providing you are using them in the same way (correct technique, brushing time etc).
The DiamondClean is a bit easier to switch brushing modes, because you can do that from the handle rather than the app. So arguably the DiamondClean is better when you look at it that way.
I own the 9700 boy it makes a difference!
The 9900 is better than the 9700
How about the oral-B ? I saw that you explained the motor is the same ( numbers of strokes and movements) how is it in compare to oralB toothbrushes ? Also, do you know by any chance which electric TB is better for person with perio disease ? Recessions?
Sara. Different dental professionals have different preferences on which brush is best. Some will say Sonicare, others will say Oral-B. In reality, either used correctly, with a soft bristled head is fine. But, you may wish to follow your dentists guidance to ensure they are happy.
The cleaning action between Soincare and Oral-B and how you measure the number of movements is different. Taking some of the technicalities aside they both do a great job of cleaning the teeth. What clinical evidence there is does favour Oral-B's oscillating & rotating cleaning action. But, in truth, more study and research is needed.
The main take home message here is to pick one and use it correctly. I hope that helps.
I now have a diamondclean 9000 special edition blue (EUR140) and a 9900 prestige(EUR180) midnight blue. Received the 9000 a week ago. And the 9900 just today. Bought both of them with very good coupons/deals. I ordered both, to test out them and decide which to keep or send back within 30 days. What I expected, that the Prestige metal pin was loose out-of-the box! What a cheap quality.
They have exact same production date (august of 2023).
And 9000 has no problem, 9900 has loose pin/shaft.
I wonder why can't Philips can fix this production issue.
They manufacture Prestige since 2021. Today is almost 2024.
I would like to open the brush and fix it for myself, but then I loose the 2 years warranty.
Sorry to read this. It should be swapped out immediately if there is a fault out of the box.
I'm afraid what If the replacement is bad too. So...
I did an agreement with the Philips Repair center on the phone. They order another handle for me, test it out if everything well then replace it to me. It will arrive on Wednesday. @@ElectricTeeth
I think the chances of the replacement being bad too are very low. I understand your concern though.
I'll be interested to read which one you pick of the models.
Thanks for that. The charging times are ridiculous
I have the Oral B iO, which charges in only a few hours. The battery is now not holding a charge for more than 2 days, after 18-24 months of use. I read online that with Oral B you're supposed to charge the brush to only 80% and not let it run out completely. Who has the time to monitor such pedantic charging?? I appreciate the slow charging of the Philips models for this reason - seems to make the battery last longer.
Which one cleans the best though? And is there a different model (of this company or another) that cleans better?
Neither one cleans better than the other. The cleaning results are the same really.
There are 'arguments' that the head supplied with the Prestige is better. But, this head can be purchased separately and used with the DiamondClean Smart.
There is evidence to suggest that the Oral-B brushes clean better than Philips Sonicare models. But, in reality the difference isn't that great and even the authors of the research that compared both cited the need for more data.
What about battery longevity ? I had issues with 2 Sonicare toothbrushes in the past, battery would just be dead in less than 2 years and I switched back to oralB just for that.
We haven't faced any issues so far with the batteries. Without very extended periods of testing we can't say anything conclusively.
My wife and I share the same on an older oral b but have our own heads. Does two users of the base but different heads mess up the app tracking? Does it mess up the replacement timer?
I like the usb c charger (we travel a lot) of the prestige but the diamond has room for two heads in the case. I’m torn 😕
These brushes are not able to track multiple/different users within the app. The data gets combined. This is a real frustration about these products. They are really designed for one user.
It should be able to track multiple different brush heads, so your and your wife's.
Could you use the tongue care plus head with the prestige 9900?
I'm aware there isn't a tongue cleaning mode on the prestige 9900.
Yes, you can.
An odd quirk, actually discovered after recording this is that if you fit a brushsync enabled TongueCare brush head to the Prestige it changes the cleaning mode within the app. No other brush head I tried did this.
@@ElectricTeeth The only TongueCare brush head I manage to get doesn't have brushsync, what cleaning mode and intensity do you recommend? I imagine I can just dial those manually.
Do both toothbrushes have the same power in their motors? Are the motors in these brushes more powerful than the lower end model sonicare brushes?
Christian. As far as I am aware both toothbrushes have the same motors, that offer up to 31,000 brush strokes or 62,000 movements.
The same number of brush strokes and movements are offered by the vast majority of Sonicare brush handles, with the exception of only a couple of the most entry level (cheapest) models.
@@ElectricTeeth Which, on its own, is ridiculous. With the A3 head, go for a cheaper handle. Most of the features are useless anyway. Put the A3 head on a cheaper handle and you still get the 20x cleaning while paying WAYYYYYY less than the of the overpriced Prestige.
My biggest gripe with the prestige is the glass cup charger, I feel cheated without that! 😂😂 I wonder if I can still use my old glass with prestige?
Yes it should work fine. 👍
The glass charger isn’t compatible with the Prestige.
@@ericenright6192yes it is, it works with mine. Why are you lying stop 🙄
Mine doesn’t work
How is the durability of the 9900 Prestige? I am a dentist and I had every Sonicare models in the past (with discounts). The Diamond Clean smart broke very easily. I had to replace within warranty once and even the replacement didn't last a year. Many of my coworkers experienced the same issues. I will probably get 9900 Prestige because of the discount we get. But I stopped recommending to patients because of its durability and the price tag.
It appears fine and the model we have had is still working. Only time will really tell with daily use.
Did you end up getting the Prestige? And if so do you recommend?
@@neil9658 I ended up getting Sonicare 7300 ($80). I actually like it better than Diamond Clean. It's the same motor and more grippy.
@@BlueTenorSax nice!
The fact that the prestige has no physical buttons is a disaster waiting to happen and the fact that is relies on an app to change the modes is ridiculous. My diamond clean smart 9300 is still going strong and from what ive seen im not convinced I should upgrade.
Yeap, that's a deal breaker for me.
It has a button, though its a pressure-activated switch rather than an actual switch. This reduces the areas from which water can enter the brush and the areas in which toothpaste can accumulate. I’ve had 3 diamondcleans before, over a period of 10+ years, and toothpaste seems to always accumulate behind the button and make it mushy, no matter how hard I clean the brush after use. It isn’t a touch-activated switch. You have nothing to worry about.
@@techforever1970 ooh ok. Thank you for letting me know. I’ve had many horrible things happen with devices that didn’t have a physical button.
@@Boldnbeautiful86 I broke two diamond clean brushes because water entered the button in two years. It's such a poor design to allow there to be a seem in the buttons. Not sure if I should get a 9900 at this point, but seeing there is no seem or buttons, I think I'll pay more if it means the product lasts longer.
@@musingsofamusician4874 interesting. Mine still works and I think I had it for 4 years now or longer.
Everytime Sonicare comes out with a new brush, i get it! They are amazing, and working in a dental office, i never pay retail, i get them for around $80!
How's the 9900 prestige?
@@Gator87 No difference tbh, it just looks amazing, the case is USB C now, and the app is enhanced more. I got it for 105 since i work in dental so i had to get it lol!
@@1993rufus I want to try it, was going to go with the oral B 9 series until I saw this lol
@@Gator87 i dont like Oral B tbh, they are much louder and the heads are pretty big! (No pun intended lol)
The Diamond Clean is also amazing and much cheaper!
@1993rufus Is there any way I can buy a 9900 model from you? Haha
Btw…. Very informative. I like the frankness where you say right off cheaper brushes have the same cleaning ability and with these brushes you are paying for non brushing result perks.
Is possible to charge the Prestige with the DiamondClean glass?
Yes it is.
It's interesting that no one talks about torque differences between sonicare and Oral-B. Mechanically that would mean all the difference. I wonder what a physics/engineer would say
Yes, I agree.
Can you charge the smart with the prestige travel case?
No. The handle is too big.
I’m considering getting the prestige
I have sensitive teeth the only thing I have concern about is, is the brush head on the prestige soft ?
And can you interchange heads ?
Ahhh soo stuck
Yes the brush head on the Prestige is interchangeable so you can use other heads. The bristles are not the softest of all the Sonicare heads, but they are not firm.
Thank you this helps a lot :)
Would you consider reviewing the Panasonic Doltz toothbrushes?
We would. We get many request to review different products and unfortunately are limited on how many we can do.
This is an older brush and more widely sold in the far east as opposed to the west where we are. So it is not a complete no Stephen. But to be honest, I think it is unlikely in the foreseeable future.
I rhink Panasonic Doltz is strong better Sonicare .
Are the charging stands interchangeable?
If my memory is correct (I don't have both to hand right now to check) then the Prestige will work in the DiamondClean Smart's charging glass.
Although technically the Smart would charge on the 9900's stand, the frosted puck that holds the handle in place is shaped slightly differently so it won't fit.
Can you use the prestige 9900 without the app?
Yes, you can. But to change the cleaning modes, if you desire, you need to use the app.
To some extent, it defeats the point of the Prestige, if you don't use the app, but it is possible.
Anyone know if charging glass is compatible with prestige charger?
I don't think the charging class is compatible with the Prestige charger. The Prestige toothbrush can be charged in the DiamondClean Smarts charging glass though.
Is the bluetooth turned permanently on on the toothbrish or can you turn it off when you don't feel like using the app?
Turned on all the time. No way to turn it off that I know of.
@@ElectricTeeth Thank you for clearing this up.
$300 - $400 for a toothbrush is wild!
Can you charge the Prestige 9900 with the glass of the diamond clean?
Yes, you should be able to.
What is a scrubbing sensor?! is it the same pressure sensor?I want to buy a Sonicare with a visible light on pressure sensor, I use alternative a Oral B and kt clearly shows light in case of hard brushing, But I use Oral B twice a week, my regular one is Sonicare but 😢only thing it's missing a Light sensor
A scrubbing sensor is different to a pressure sensor. The scrubbing sensor is assessing how quickly and repeatedly you move the brush head across the teeth. If you go back and forth really quickly like you might with a manual brush, this would activate the scrubbing sensor.
@@ElectricTeeth Thank you so much for your quick response
these heads dont rotate like Oral B, do you have an informative video on which system of cleaning is better rotate vs vibrate !!!!!
This is the video where we compare them - czcams.com/video/rQmaulyI3xk/video.html
We don't go into lots of detail about the cleaning because the reality is both do a good job. What evidence exists suggest Oral-B is better. But, the review of research suggests more research is required.
can you compare the case sizes side by side
The DiamondClean Smart case is approx 22cm wide x 7cm deep x 5cm tall
The 9900 Prestige case is approx 19.5cm long (excluding wrist strap) x 3cm deep x 5cm tall
@@ElectricTeeth thanks!
Loved the run through! I have a question, so the Prestige "only" comes with one brush handle (A3) and the Diamond clean has 4 separate. I just bought the Prestige and I have a few questions:
1) Is the A3 brush supposed to be a mix of all the 4 included with the Diamond clean smart?
2) Would you recommend me getting other brush heads as well? (I take my dental hygiene seriously and want to have the "best").
3) If yes on question 2, is there one or two specific handles you would recommend?
4) As I understand the Prestige does not have the tongue clean or is that the "gentle"?
If you want to do tongue clean on the Prestige, do you have a suggestion how I can do that?
Thanks in advance!
Hi Marcus. In response to your questions.
1. Yes pretty much. The idea is that you don't need to switch brush head styles, the A3 is the only one you need.
2. No. The reality is whilst there might be some benefit to using different styles the differences are small and I have seen no evidence that can really justify switching between various styles regularly. It is a bit complicated because personal circumstances come into this. But, for more, sticking to and using just 1 brush head is more than good enough. Of course, if you want to, you can, but I see little point.
3.N/A
4. Ok, so interesting one. You don't see tongue clean as an option within the app, so no way to set it. But, I did learn (after the review) if you put a T1 TongueCare brush head on the Prestige, it detects this and automatically changes the mode to TongueCare. It is like it is a hidden mode. Well on my model at least it did this. Alternatively you can just use one of the standard cleaning modes. That is how I would do it. Or use a tongue scraper instead.
I hope this helps.
Hello, in your opinion which toothbrush is better: Diamond Clean 9000 or Sonicare DiamondClean Prestige?
The Prestige. But, only if you are going to make use of the smart features. The 9000's smart features are more limited. No real-time tracking etc.
@@ElectricTeeth Which toothbrush do you think is better made?
It's hard to say. My gut feel is Sonicare.
@@ElectricTeeth Which Sonicare 9900 Prestige or DiamondClean toothbrush do you think is better made?
Again it's hard to say. Probably the prestige given that they have a seamless button design to prevent debris building up around the power button. They implemented this because of issues with other models.
The problem is where to buy head replacement (I don't know how to say in english that) for the prestige. In amazon only shows the toothbrush itself.
The replacement that are shown in amazon are different for the base head of the prestige.
It is going to depend on your location. You don't have to use the A3 brush head that came with the Prestige. There are other styles available.
@@ElectricTeeth thanks for the asnwer! so thats mean that every other head will be as good as the base head from the prestige?
Well this answer is subjective. The A3 head is arguably the best, but there are others similar. If you can't get the A3 head locally you could look to import them.
I bought a brand new Diamond Clean Smart for $170 tax included. Look around carefully and get it much less.
Got a 9000 too and it was dead after 10 days…
Can the Prestige be used without the app? I really dislike using gadgets with app as glitches can happen.
Yes it can but there are limitations, such as not being able to change the cleaning modes.
@@ElectricTeeth Thank you. Are the cleaning action for both the older Diamond and Prestige the same?
Yes
Have the 9700 and about to get the 9900. Can you not use the tongue attachment with the 9900? It doesnt even seem to have a tongue mode. What are they expecting you to do?
Hi Devin. You can use the tongue brush with the 9900. We discovered after filming this comparison that if you attach the tongue brush head, it actually activates a tongue cleaning mode that we didn't know even existed on the 9900.
@@ElectricTeeth That's good to know. As you indicated you can only change the modes on the 9900 using the app. Strangely "tongue" wasnt one of the options. Thanks for info and good review/comparison.
Yes buy the 9900 makes a big difference I love mine
I still can't choose between these two 😕 I can't decide which I prefer
Same
Choose prestige. Its a fully new model, diamond clean has got with battery/ loud vibrations after 2 years
You should have covered the vpm of both.
There are the same Jerome. 31,000 brush strokes/62,000 movements per minute.
Witch is the better one. Diamond clean prestige 9900 or oral b iq9. I don’t care the apps and smart phone. Just overal for cleaning witch is better now Amazon has a good deals for oral b iq
It is hard to say conclusively. If we look at what data is available, the research would side with the Oral-B as being the better.
If you are not bothered about all the features, I seriously suggest looking at much more cost effective models like the Oral-B Pro 2 2500 (UK/Europe) or Oral-B Smart 1500 (USA). These clean as well but save you a lot of money.
@@ElectricTeeth I look at iq 7 series looks nice at white and b&w screen for me it’s fine. So far I am using sonicare for the last 5 years and the brush is working fine but I was thinking to upgrade it
Go with whatever you feel happy with. The iO Series is great. You are just paying a premium for features you wont make use of.
The 9900 seems pointless since you need the app the control modes. If you want full control of your toothbrush, the 9700 diamond clean is a no brainer. Nobody is going to take out an app to brush for two minutes twice a day. Especially at the price differences in the US..
Srry for the rant, but aside from the app features, are both brushes the same in cleaning power?
Yes, cleaning results are comparable. 👍
If I understand you right, I need to use my mobile phone/app to change the cleaning modes of the Prestige toothbrush? No thanks, who wants to be bothered with that? Don't want to use my phone to brush my teeth.
This is correct.
They are the same thing! Just one is $120 cheaper! Those other modes won’t clean your teeth more than the other it’s all the same lol
How can I buy from you for 50% off?
Rather frustrated that you spent so much time going over the $400 toothbrush app, but not the $220 brush app. What are the differences that you kept talking about?
Sorry if you think I have not been through enough in relation to the app for the DiamondClean Smart. I am not sure what these differences are you think I keep mentioning, but I feel I summarise this @6:05
The prestige is a waste of money
You get more for the 9700
Different color.
Too bad we don't have an app for butt wiping still😂
No need. wash after using the toilet paper
Blink blink blink
you cant change the modes on the brush itsself? thats such a nogo. who wants to always choose the mode on the smartphone when brushing teeth LOL
You can! It’s called manual override 😂😂
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I’m really not with your reviews. I would welcome if you could more in depth with your reviews and for a longer period of time. Questions I ask myself are:
- has Philips reingeenered their motor since the 9000? The 9000 destroys itself so are the issues addressed now?
- what’s ur long term review on it and quality?
Etc.
Would love to hear ur opinion
Thanks for the questions. I could record much longer reviews. Truth is, most people don't want all the details. I have been known to talk for 25 minutes about a single brush!! 😁
There is a much more detailed full written reviews/comparisons (linked in the description) that covers some areas not covered in as much detail in the video.
As far as I know, the motors are the same, or at least they produce the same output. There might have been slight reworking to the motor for longevity.
Although I know some people have had issues with brush motors in the past, I can't say from my experience, this is a big problem affecting all brushes. The seamless button design prevents water and gunk ingression into the handle which might have some impact on previous models that don't have such.
So far the 9900 is still performing strong. I can't use it twice a day every day as I have other brushes to test.
I hope this helps.
@@ElectricTeeth thank you
The whole video is about total nonsense.
All I care about is the differences in performance.
How many oscillations per minute, what is the range of oscillations.
That's all I need to know.
I am sorry you feel this whole video is nonsense Peter. I strongly believe there is more to the differences than cleaning power alone.
The cleaning performance of these 2 brushes are the same. Both offer up to 31,000 brush strokes per minute or to put it another way, 62,000 movements per minute.
@@ElectricTeeth That data is the most important thing a sensible person will choose according to.
It's a shame that your videos completely ignore this data.
I disagree with you Peter to some extent I am afraid. Whilst power/movements has some effect it is not the most important thing. Brushing time, how often you brush and the brushing technique have a bigger impact. Had there been a difference between the power of the 2 motors, I would have mentioned it, but because they are the same I didn't feel it necessary to say.
@@ElectricTeeth They are the same in your opinion.
Maybe they're not the same.
And what you're saying is out of place.
If I have two drills with a certain speed and hammering force, while the other one is half weaker, I will take the same job twice as long.
A simple example from elementary school.
The number of movements between these models are the same as per the Philips Sonicare's technical specifications.
It is potentially different for other models and for other brands, for sure.
You example of a drill is a good example, and to some extent is true. Some toothbrushes have much less powerful motors and do not clean as well. The Quip and Philips One by Sonicare toothbrush being 2 examples.
But, there is a difference when it comes to brushing your teeth. The example of the more powerful drill doesn't apply in quite the same way here. Whilst arguably there is evidence to suggest more power equals a better clean, ask any dentist and they will rate power lower down the list in priority compared to brushing time, frequency and technique.
I am not saying this to be contentious, but this is what I have learnt from research and speaking to many dental professionals.