Smart vs Simple
Compare app coaching, brushing maps, timers, pacers, pressure sensors, and setup friction before choosing an electric toothbrush.
Philips 9 Series AI DiamondClean Electric Toothbrush: AI-powered brushing guidance
This smart toothbrush suits anyone who wants to improve their daily routine. It works especially well if you struggle with sensitive gums or inconsistent brushing habits. The DiamondClean 9 Series AI uses sensors to track your brushing in real time. You receive live feedback from the Philips Sonicare app, highlighting areas you missed and warning you when you press too hard.
Standard electric toothbrushes focus on removing plaque. This model goes further by coaching you toward better oral health. The pressure sensor vibrates gently the moment you apply too much force. That small alert helps protect your enamel and gum line. The brush adapts its intensity automatically, so you feel a deep yet comfortable clean.
After each session, you see progress on the app. Over weeks, you form habits that reduce gum inflammation and brighten your smile. The brush holds a charge for long trips and stores neatly in its travel case. You will walk out of the bathroom with a fresh, confident feeling every morning.
Features
- Pressure sensor protection
- Multiple cleaning modes
- Smart connectivity
- Long battery life
- AI-powered brushing guidance
General specs
- Brand: Philips
- Model: 9 Series AI
- Seller: Joom
- ID: 69283bb6ecc2210198c547f2
- Type: Electric Toothbrush
- Brand: Philips
- Series: 9 Series
- Feature: AI
- Product Line: DiamondClean
- First listed by seller: 2/15/26
If you are interested in more details, you can find full information on the seller's page.
$600.47
Last price update: 2/15/26
Available to order
Shipping options
Delivery to 
United States
United States
Unavailable
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| Brand | Philips | Philips Sonicare | SAKYPRORAL | SAKYPRORAL | usmile | |
| Model | HX9923/21 | G5S | Y20PRO, Y20 Pro | |||
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| Price | $600.47 | $279.99 | $38.99 | $38.15 | $49.99 | $109.00 |
| Seller | Joom | Amazon | Amazon | Gshopper | Amazon | Amazon |
| Update | Feb 14, 2026 | May 11, 2026 | May 27, 2026 | Jul 25, 2024 | May 9, 2026 | May 13, 2026 |
| Type | Electric Toothbrush | Sonic Electric Toothbrush | Sonic Electric Toothbrush | Electric Toothbrush | ||
| Brushing Modes | 5 | Multiple Modes, Gentle Cleaning, Deep Plaque Removal | BEGINNER, WHITENING, FAST, MASSAGE, GENTLE | Anti-cavity, Stain Removal, Sensitive, Custom, AM/PM Auto-Switch Mode | ||
| Brush Heads Included | A3 Premium All-in-One, C3 Premium Plaque Control | 6 | 2 | |||
| Battery Life | 6 Months | Weeks on single charge | 150 days | 90 days | ||
| Included Accessories | Replacement Brush Heads, Travel Case | Travel case | USB-C Charging Cable, Toothbrush Holder (Wall-Mounted), User Manual | |||
Philips 9 Series AI AI-powered brushing guidance
$600.47
When this device makes sense
Product confidence
Reviews
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