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Customer Ratings & Reviews

Your price for this item is $131.99
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The comparable value price is $219.99

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

Pros mentioned filter

Cons mentioned filter

95%would recommend to a friend

Customers are saying

Customers find value in the DiamondClean Smart 9300's superior cleaning capabilities, user-friendly app, and long-lasting battery life. Many appreciate the toothbrush's design and ease of use, though some express concerns about the high price point. A few users also mentioned issues with charging and the travel case.

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 49 Showing 961-980 of 1,317 reviews
  • Rated 5 out of 5 stars

    Great toothbrush

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    Posted . Owned for 5 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Great for a better clean! I recommend this toothbrush to anyone

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

    Rated 5 out of 5 stars

    Pink Clean!

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

    I feel the clean after a thorough brushing with the Diamond Clean Sonicare. This is so much better than my previous generation of electric toothbrush. And this female likes the pink!

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

    Replaced my oral B

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

    The oral B I had jus seemed so rough on my gums.. this is subtle but refreshing..

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

    One of the best

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

    This is by far the only rechargeable toothbrush that i got and is still working.

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

    Best Toothbrush EVER!

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    Posted . Owned for 8 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    easy to use, great results. I compared many similar products to purchase and compared many different places to purchase - at the time of my purchase, Best Buy had the best selection and the best price. No Regrets with this product.

    I would recommend this to a friend
  • Rated 4 out of 5 stars

    Outstandin

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    Posted . Owned for 11 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Feels a little cheap made but hey it works well and does what it needs to do and with style.

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

    Great toothbrush

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

    You won’t regret this great toothbrush. Only bad thing is the case have no charger.

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

    best

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

    the best toothbrush you will ever have. high quality and it works.

    I would recommend this to a friend
  • Rated 4 out of 5 stars

    Good cleaning nice look

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

    Good cleaning nice look, elegant in bathroom I was 20 years user of concurrence: the shape of the toothbrush is too traditional as per manual toothbrush

    I would recommend this to a friend
  • Pros mentioned:
    Overall performance

    Rated 3 out of 5 stars

    Philips Sonicare - ProtectiveClean 4100 Rechargeab

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

    It is very good and excellent and wonderful I recommend to buy it

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

    Clean!!

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

    This toothbrush works great! It gives a deep clean .

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

    Love it!!

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    Posted . Owned for 5 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    This toothbrush ensures you cover everything within your mouth!!

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

    Cleanest teeth ever

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

    First time using an electric toothbrush, my teeth never felt cleaner.

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

    Great

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    Posted . Owned for 6 months when reviewed.
    This reviewer received promo considerations or sweepstakes entry for writing a review.

    Worked as advertised. High quality brush. Quiet.

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

    Teeth and gums feel cleaner and fresher!

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

    Teeth and gums feel cleaner and fresher! I would totally recommend this product.

    I would recommend this to a friend
  • Rated 4 out of 5 stars

    Toothbrush

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

    Works as advertised. Very happy with product and quality

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

    Pearly whites

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

    This toothbrush made me want to keep up with my hygiene.

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

    Rated 1 out of 5 stars

    Badly Irritates Gums!! Beware

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

    Anyone with some receding gums should avoid this product. Even at low settings, the rapid brushing movement will badly irritate gums. I used it three times and now, five days later, my upper gums are irritated and possibly eroded above the incisors. I followed the manual and the on-line videos (which differ on whether to move side to side or in circular motion). I also read a separate entry about how to hold handle gently to avoid too much pressure on the gums. The produce has a "warning light" at the base of the handle to alert user when too much pressure is being applied. At no time when I used it did the warning light go off....the toothbrush obviously cleans well, and it is beautifully designed. The brushes are too big, though, and there is no instruction about how to use it inside the front and bottom center teeth. I cannot be the only person who has had a bad experience with irritated gums.

    No, I would not recommend this to a friend
    • Brand response from Philips Consumer Care
      Posted .

      Hi Clancy,

      Thank you for taking the time in leaving us a review about your Sonicare DiamondClean. We are sorry to hear that its usage is causing you discomfort and gum irritation. This model, however, has an Easy-Start program, and will maintain in that mode for about 12 uses. This will therefore, make you adapt to the Sonicare feeling smoothly. For further instructions on how to operate the Easy-Start feature, please refer to your user manual.

      If you have any further questions, please feel free to get in touch via social media. We’re available 24/7 on Facebook (@Philips) and Twitter (@PhilipsCare). Alternatively, you can reach out to us via the contact page on our website. One of our colleagues will then try their best to help you further.

      Hope to speak to you soon!

      Kind regards,
      Philips Consumer Care PhilipsBrand-EN_US

  • Rated 4 out of 5 stars

    The previous model was better

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

    The previous model had a traveling charging case. This mode just has the case for storage and travel but it does not charge the toothbrush.

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

    Awesome

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

    Nice touch when used with the app. Brush heads wear down too fast.

    I would recommend this to a friend