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Customer Ratings & Reviews

Your price for this item is $229.99

Customer reviews

Rating 4.7 out of 5 stars with 1317 reviews

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Rating by feature

  • Value

    Rating 4.4 out of 5 stars

  • Quality

    Rating 4.8 out of 5 stars

  • Ease of Use

    Rating 4.8 out of 5 stars

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Cons mentioned filter

95%would recommend to a friend

Customers are saying

Customers have good things to say about the DiamondClean Smart 9300 Rechargeable Toothbrush, especially regarding its cleaning capabilities and whitening modes. Many appreciate the toothbrush itself, the helpful app, and the long-lasting battery life. Ease of use, overall performance, and design are also frequently praised, while some customers find the price to be high and have concerns about the travel case and charging.

This summary was generated by AI based on customer reviews.

The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Page 18 Showing 341-360 of 1,317 reviews
  • Pros mentioned:
    Battery life

    Rated 5 out of 5 stars

    Great electric toothbrush

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This toothbrush is easy to use and great for travel. The charge lasts a long time, it comes with a travel case and the app is easy to setup and track your use.

    I would recommend this to a friend
  • Pros mentioned:
    App

    Rated 5 out of 5 stars

    Super clean teeth

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I am crazy about this toothbrush! The head is on the smaller side so it’s easy to get back in the hard to reach places! There is also an ap for the phone! Too cool!

    I would recommend this to a friend
  • Pros mentioned:
    Cleaning

    Rated 5 out of 5 stars

    Great smiles

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    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Excellent sonic hair toothbrush very motivating with app that helps you make sure you're doing a good brushing technique

    I would recommend this to a friend
  • Pros mentioned:
    Toothbrush

    Rated 5 out of 5 stars

    Great toothbrush

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This is the best toothbrush that Ive owned ! Love it!

    I would recommend this to a friend
  • Pros mentioned:
    Cleaning

    Rated 5 out of 5 stars

    Best I've ever had

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Had oral b for years and was happy with it. Kid dropped it in the toilet so time for a new one..picked this up and 1st use felt like I just left the dentist for a 6 month cleaning

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use

    Rated 5 out of 5 stars

    Love it!

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    Posted . Owned for 1.5 years when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Very easy to use and cleans my teeth very well!!!!

    I would recommend this to a friend
  • Pros mentioned:
    Cleaning

    Rated 5 out of 5 stars

    Awesome toothbrush

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Awesome electric toothbrush. Previously had an Oral B and this is light years ahead of that.

    I would recommend this to a friend
  • Pros mentioned:
    Cleaning

    Rated 4 out of 5 stars

    Should have head choices

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    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    It is a great toothbrush but I am returning because I feel as though the round heads clean better.

    I would recommend this to a friend
  • Pros mentioned:
    Ease of use

    Rated 4 out of 5 stars

    Good product

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great product very good quality and easy to use I would recomend this product

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    My teeth are thanking me

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Sonic toothbrushes are not necessary to some, but for myself, this is not only a shiny thing to have, but lesson in life. For the longest time, I've brushed my teeth a certain way, to the point where I learned to live with a certain condition in my gums. But ever since I bought this toothbrush, I haven't had the "repercussions" of brushing my teeth that I've had with other sonic toothbrushes. It is really convenient that it pairs to your phone, and tells you how you should be brushing. Dentists will all tell you generally the same thing, but now the machine practically takes you through the motions first-hand.

    I would recommend this to a friend
  • Pros mentioned:
    Cleaning

    Rated 5 out of 5 stars

    How Did I Wait So Long??

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    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Worth the money - my teeth have never felt cleaner. The different modes are a huge bonus. Would highly recommend!

    I would recommend this to a friend
  • Pros mentioned:
    Cleaning

    Rated 5 out of 5 stars

    Clean

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    Posted . Owned for 3 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This has been a great purchase thus far. Very reliable and leave me feeling clean and fresh every time. Money well spent.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Best Electric Toothbrush

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    Posted . Owned for 1 month when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    We have used Sonicare Toothbrushes in our household for 15+ years and have never been disappointed.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Great toothbrush

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    Posted . Owned for 7 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I love this toothbrush. Does an excellent job of cleaning. Like the timer to notify you when to move onto a different area to clean. This was a big upgrade from previous sonic care I owned which lasted many years. Hopefully this one will last the same. Seems well built and built to last. My biggest complaint is the app feels gimmicky and I tried to use for a couple months but no thank you. Thankfully you do not need to use the app to get the most out of it.

    I would recommend this to a friend
  • Pros mentioned:
    Cleaning

    Rated 5 out of 5 stars

    Cool toothbrush

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This toothbrush is awesome, makes my teet my feel super clean every time I use it. Charging is also cool As well

    I would recommend this to a friend
  • Pros mentioned:
    Cleaning

    Rated 5 out of 5 stars

    Diamond clean toothbrush

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This is my first time buying a Sonicare toothbrush and it has exceeded my expectations. My teeth have never felt cleaner.

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    Love the design, works great!

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    Posted . Owned for 1 week when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Love the sleek design. Needed this to replace an older product from a different brand. Very happy with my purchase

    I would recommend this to a friend
  • Pros mentioned:
    Cleaning

    Rated 5 out of 5 stars

    Shinning bright!

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    Posted .
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    I have fallen in love! My smile is super clean. I’ve never felt my teeth so clean after brushing. Completely shocked that it gets every corner! This brush is amazing !

    I would recommend this to a friend
  • Rated 5 out of 5 stars

    love this Sonicare black!

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    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Love this toothbrush. I admit we don't use the ability to track our brushing through an app, cool feature for those that are super super techy but not necessary for our needs. I like the easy charge system with this model and the sleek black color/design. Our older white ones always ended up looking dirty from hand oils after a couple of years of daily use. The sensitive gums setting was a must have and has a nice massaging bit at the end of the 2 minute run.

    I would recommend this to a friend
  • Pros mentioned:
    Cleaning

    Rated 5 out of 5 stars

    Excellent toothbrush

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    Posted . Owned for 3 weeks when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This toothbrush really makes your teeth feel clean and after a few weeks look whiter. I am very happy to continue using Philip's toothbrushes.

    I would recommend this to a friend