soup-strainer - like gismo that spray water into your teeth hole have been around for years , but Philips ’ novel patent has several innovations that makes certain you do n’t blast your gums into submission . The spraying head has probes that can detect how far away it is from your tooth , ensuring optimum distance .
Plus there ’s public lecture of having a light beam that reflects off your enamel to determine how clean your teeth are and when you need to move on . We ’d take one of these if they integrated the water spray into one of their Sonicare brushes , which influence grand already . examine and make enough money to give back your student loans now , dentists ! [ New Scientist ]
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