Sonicare HX693210 Flexcare Sonic Toothbrush Sonicare HX693210 Flexcare Sonic Toothbrush. Now there is a guaranteed way to better oral health. The Philips Sonicare FlexCare adapts to your oral care needs. Designed for a better fit with your mouth the ProResult brush heads contour fit wider bristle range and broader sweeping motion provides better tooth coverage. There are 3 different flexible brushing modes to fit your needs as well as 2 personalized cleaning routines. It is an all in one sanitizing charging and storing solution.