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Customer Ratings & Reviews

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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:
    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
  • 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
  • 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
  • Pros mentioned:
    Ease of use

    Rated 5 out of 5 stars

    Quick exchange

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

    Quick, efficient ex has. Will always use Best Buy's warranty!

    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
  • Cons mentioned:
    Price

    Rated 5 out of 5 stars

    Good Brush

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

    Very good and gets the job done. The replacement brush heads are kind of pricey.

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

    Rated 5 out of 5 stars

    Phillips Sonicare makes great toothbrushe

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

    This is my fourth sonicare since it came out. This unit works with an app to help you learn the best practices for good oral hygiene.

    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 4 out of 5 stars

    Steep price, but may be worth it

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

    My first electric toothbrush so I can’t compare it to others. But it feels like it doesn’t a great job cleaning. Very little pressure needed and vibrates very fast.

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

    Rated 5 out of 5 stars

    Dentists are going to be jealous

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

    I feel like I just left the dentists office with how clean my teeth are.

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

    Very happy with it

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

    I had been considering an electric toothbrush for a while, read reviews online and finally determined that the Philips was the best one. I did not like the price but with using my Best Buy rewards it brought it into what I considered to be an out of pocket cost I was comfortable with. I still wasn't convinced that it would be better than just brushing myself. I then began using it after a dentist visit. I can honestly say me teeth have never felt as clean and nice after brushing. I also like the bluetooth connection and yes I use the app daily.

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

    Rated 5 out of 5 stars

    Excellent

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

    Excellent toothbrush, cleans really well and good to travel with.

    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

    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
  • 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:
    App

    Rated 5 out of 5 stars

    Awesome

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

    This is the best electronic toothbrush I’ve ever owned I love how u can use the app to see how your brushing and it keeps track of when to change the brush head

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

    Rated 5 out of 5 stars

    Great toothbrush

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    Posted . Owned for 2 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Works as expected. Having the app is pretty cool and helpful.

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

    Rated 5 out of 5 stars

    5 Star Clean

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

    This is an advanced toothbrush that makes a mundane but must do activity easy. Your wallet will thank you for saving money between dental cleanings.

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

    Rated 5 out of 5 stars

    Awesome toothbrush!

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

    I really like the app that I can choose gum health or deep clean & asks if I flossed or rinsed. I also like the charging cup. It’s very easy to use.

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

    Rated 5 out of 5 stars

    Very good product

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

    I bought this toothbrush for my daughter. She absolutely loves it. It came with 3 brushes so I am now taking advantage of the product and I love it.

    I would recommend this to a friend