Overall ease of use of the toothbrush including evaluation of the weight, handle comfort, ease of removing the brush-heads, etc. The Philips Sonicare DiamondClean Smart 9300 is part of the ...

Here’s how it works. In T3’s Philips Sonicare Diamondclean 9900 Prestige review, I put this premium electric toothbrush to the test to see if its advanced adaptive features are worth the hefty ...