2 year warranty

#1 Dental Professional recommended sonic toothbrush brand worldwide
Built-in pressure sensor
Smart brush head recognition
4 modes, 3 intensities
Connected brushing made easy
The DiamondClean 9000 gives you the guidance you need to improve and maintain healthy brushing habits in between dentist checkups. Built-in smart sensors let you know when you're using too much pressure, and by connecting your brushing experience to the Sonicare app, a personalized Progress Report helps you stay on track, to see how much you've improved over time.
The C3 Premium Plaque Control brush head is designed to give you your deepest clean yet. Soft flexible sides and bristles perfectly curve around the contours of your teeth, giving you 4x more surface contact and helping target hard-to-reach spots*.
DiamondClean 9000 comes with Clean, White+, Gum Health and Deep Clean+ to take care of your brushing needs. Clean mode is for exceptional everyday cleaning, White+ is for removing stains, Gum Health provides a gentle yet effective clean for gums and Deep Clean+ gives you an invigorating deep clean. Three intensities allow you to choose between a higher setting to boost your clean and a lower one for more-sensitive mouths.
2.3
of 5
4
Reviews
Subee21
01/02/2024
US
Part of promotion
Verified buyer
Overall pleased
Overall I am pleased with the porformance of my Diamond Sonicare however I continue to have issues getting it to connect to my phone. I've contacted customer service who at the time was able to resolve the issue. However since then the problem has resurfaced. I attempted to contact customer service.. The first time was on hold forever. The second attempt - during the first few minutes of our call the call was disconnected. The third attempt I was on hold forever. My next attempt was via fb messenger. I interacted with a very pleasant person. I explained my situation. They suggested a few things which I tried with no success getting the toothbrush to connect via Bluetooth. I messaged stating this and asked (considering my previous attempts at contacting customer service) if I might be able to set an appointment for a phone call at their convenience. The response was, yes, we'll be happy to assist you just give me a few days to get some info and someone will contact you to set it up. I'm still waiting to hear back regarding this issue. Other than the connection issue... I love my Sonicare.
Yes, I recommend this product
This review was made for DiamondClean Smart 9300 HX9901/59 Sonic electric toothbrush with app
Yes, I recommend this product
This review was made for DiamondClean Smart 9300 HX9901/59 Sonic electric toothbrush with app
Art M.
01/02/2026
US
Since 2016 I am on my third.
Since 2016 I will be on my third and perhaps last Sonicare ultrasonic electric toothbrush. See photo I attached. My first (2016-2022) lasted almost seven years (9000 Series HX9350), which is a good life, and it broke at the top. I then became careful with how I remove the brush head with the replacement (9300 Series HX992B) but it broke at the top again in only three years. I just replaced this with the HX993L (9700 Series) lunar blue and as everyone is aware, these electronic toothbrushes are costly. If the next one does not last for at least five years, 2026-2031, I will move to another brand.
Pros
Works well to clean teeth
Cons
Costly products break at the top, perhaps quality is declining
This review was made for DiamondClean Smart 9300 HX9901/59 Sonic electric toothbrush with app
This review was made for DiamondClean Smart 9300 HX9901/59 Sonic electric toothbrush with app
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06/05/2024
US
Do not buy
The brush broke within 9 months and the replacement also had a bad battery.
This review was made for DiamondClean Smart 9300 HX9901/59 Sonic electric toothbrush with app
This review was made for DiamondClean Smart 9300 HX9901/59 Sonic electric toothbrush with app
more than a manual toothbrush
compared to DiamondClean
based on two periods of two-minute brushings per day