Genuine Philips Sonicare ProResults Plaque Control replacement toothbrush heads, HX9023/64, 3-pk About the product Genuine Philips Sonicare rechargeable electric toothbrush head Compatible with snap on Philips handles: DiamondClean, Flexcare, HealthyWhite, 3 Series Gum Health, 2 Series Plaque Control, and Essence+ handles #1 Recommended power toothbrush brand by Dental Professionals Up to 6x more plaque removal versus a manual toothbrush Power tip targets plaque along the gumline. brush heads are vital to our core technology of high-frequency, high-amplitude brush movements performing over 31,000 brush strokes per minute.