Boots is offering a deal on a high-end whitening toothbrush that's being hailed as the 'Rolls Royce of toothbrushes' with customers claiming it cleans 'as well as the dentist'. Plus, it's part of Boots' 'better than half price' sale.The Philips Sonicare Series 7900 Advanced Whitening Toothbrush usually retails for a hefty £249.99, but right now you can snag it for just £99.99 - that's a massive £150 off! Boots' website boasts that this toothbrush is 'proven to improve oral health' and promises to 'whiten teeth in just one week', removing up to seven times more plaque than a manual brush.The rechargeable toothbrush has racked up over 180 five-star reviews on the Boots site.This sonic electric toothbrush comes with an app, a built-in pressure sensor, smart brush head recognition, four modes, and three intensities. One thrilled customer shared: "Cleans just as well as the dentist! My teeth felt and looked so much better even after first use.", reports Birmingham Live.