Philips Sonicare DiamondClean 9000 Electric Toothbrush – Sonic Toothbrush with App, Pressure Sensor, 12 Brushing Settings, Replacement Reminder, USB Charging Case, Black & Rose Gold, 2-Pack, HX9912/71

The Philips Sonicare DiamondClean 9000 Electric Toothbrush delivers luxury oral care designed for people ready to upgrade their routine with professional-level results. Paired with the A3 Premium All-in-One electric toothbrush head featuring multi-angle bristles, this smart, app-connected system achieves up to 2000% more plaque removal¹, up to 1500% healthier gums², and up to 100% more stain removal³, so you can finally feel as clean at home as you do leaving the dentist. The motor delivers 62,000 bristle movements per minute, while Sonicare Fluid Action drives fluid deep between teeth and along the gumline for a comfortable, thorough clean that reaches where bristles alone cannot. Choose from 4 brushing modes, Clean mode, White+, Gum Health, and Deep Clean+, across 3 intensity levels to dial in exactly the care you need. The app pairs seamlessly to offer guided brushing sessions, session-by-session progress tracking, and habit-building coaching personalized to you. A replacement reminder tracks how often and how hard you brush, then alerts you when it’s time for a new brush head. Experience up to 14 days of regular brushing on a full charge; top up with the charging glass or the included USB charging travel case. ¹ vs. a manual toothbrush. ² vs. a manual toothbrush in 6 weeks. ³ in less than 2 days vs. a manual toothbrush.
Package Dimensions ‏ : ‎ 15.2 x 14.1 x 4.5 inches; 3.2 Pounds
Item model number ‏ : ‎ HX9912/71
Date First Available ‏ : ‎ December 9, 2025
Manufacturer ‏ : ‎ Philips Sonicare
ASIN ‏ : ‎ B0FWLMV6NH
Best Sellers Rank: #7,856 in Health & Household (See Top 100 in Health & Household) #28 in Sonic Toothbrushes
Customer Reviews: 4.6 4.6 out of 5 stars (266) var dpAcrHasRegisteredArcLinkClickAction; P.when(‘A’, ‘ready’).execute(function(A) { if (dpAcrHasRegisteredArcLinkClickAction !== true) { dpAcrHasRegisteredArcLinkClickAction = true; A.declarative( ‘acrLink-click-metrics’, ‘click’, { “allowLinkDefault”: true }, function (event) { if (window.ue) { ue.count(“acrLinkClickCount”, (ue.count(“acrLinkClickCount”) || 0) + 1); } } ); } }); P.when(‘A’, ‘cf’).execute(function(A) { A.declarative(‘acrStarsLink-click-metrics’, ‘click’, { “allowLinkDefault” : true }, function(event){ if(window.ue) { ue.count(“acrStarsLinkWithPopoverClickCount”, (ue.count(“acrStarsLinkWithPopoverClickCount”) || 0) + 1); } }); });
Exceptional Plaque Removal: A3 Premium All-in-One brush head with multi-angle bristles delivers up to 2000% more plaque removal¹, up to 1500% healthier gums², and up to 100% more stain removal³, so you can feel as clean at home as you do leaving the dentist
Gentle, Powerful Clean: Up to 62,000 bristle movements per minute; Sonicare Fluid Action drive fluid deep between teeth and along the gumline for a comfortable, smooth clean that’s never aggressive on gums
Pressure Sensor Protection: A light ring at the base gently alerts you when you’re applying too much pressure; simply ease off when it lights up to keep gums protected; ideal for anyone managing gum sensitivity or following a dentist’s recommendation to brush more gently
Fully Customizable Care: 12 brushing settings let you select from 4 modes, Clean, White+, Gum Health & Deep Clean+, and adjust to one of three intensity levels to match your unique needs
Smart App Coaching: The Sonicare toothbrush and app pair seamlessly to deliver guided brushing, session-by-session progress tracking, and habit-building coaching to help you brush better over time
Brush Head Replacement Reminder: Tracks how often and how hard you brush, then reminds you when it’s time to replace your brush head; dental professionals recommend changing your brush head regularly
Extended Battery & Travel Ready: Rechargeable toothbrush providing up to 14 days of regular brushing on a full charge; the included USB charging travel case makes it an exceptional travel companion or a thoughtful gift for frequent travelers
The set includes: 2x DiamondClean Smart sonic electric toothbrushes, 2x A3 Premium All-in-One brush heads, 2x USB charging travel cases, 2x charging stands