The Philips Sonicare 6500 delivers dependable sonic plaque disruption for daily use, with a motion pattern that stays consistent across a full two-minute session. Reliable pressure sensor with alert In our testing, coverage on the outer surfaces and gumline was reliable, though the Philips Sonicare 6500 lands below flagship-tier picks like the Nuve AuraOne on interproximal plaque removal and real-time zone tracking.