Interested in reviews of Philips Sonicare 9400 DiamondClean HX9917/89? It got 4.6 out of 5 stars from our customers. Find specific customer reviews of Philips Sonicare 9400 DiamondClean HX9917/89 below. We will appreciate if you also share your experiences with Philips Sonicare 9400 DiamondClean HX9917/89 after purchasing.
The brush itself is perhaps not to be faulted. It cleans just great and the actual cleaning is quite fun, so realistically I often clean for longer than the recommended 2 minutes.
But as far as the "smart" app is concerned, it's pretty useless. It should show which parts of your teeth you have cleaned well and where you need to add more. Realistically, it just shows you where you should be cleaning at that moment and measures the time. However, if you are cleaning a completely different part of the teeth at the time, it will not be noticeable.
So if you are hesitating between this and the "stupid" option, feel free to buy the cheaper one. You won't lose anything.
Excellent toothbrush. Purchased on the recommendation of a dental hygienist and totally satisfied.
Equipment
Long battery life
Travel case
Indication of too much pressure
Price
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