Are you wondering if an ultra-premium electric toothbrush can truly revolutionize your daily routine, or if it’s just expensive tech? The search for a device that delivers a professional-level clean every single day can be overwhelming, with countless models all promising a perfect smile. You need to know if the high price tag of a top-tier model like the Oral-B iO Series 9 actually translates to better oral health and a noticeably superior clean.
The challenge is cutting through the marketing to understand if the advanced features—like AI tracking and a magnetic motor—are game-changers or just gimmicks. You’re asking: Is the Oral-B iO Series 9 worth the money?
After 45 days of intensive testing, the answer is a resounding yes—for the right person. The Oral-B iO Series 9 delivers an unparalleled “dentist-clean” feeling that no other brush I’ve used can replicate, and its smart pressure sensor alone is a transformative feature for improving gum health. It’s a top-tier investment in your oral hygiene that pays off in performance.
I put this toothbrush through its paces, using it twice daily for over six weeks, testing every one of its 7 smart modes, and tracking my progress with the Oral-B app. In this review, I’ll share my detailed findings on everything from its revolutionary quiet magnetic motor to the real-world practicality of its AI features, helping you decide if this is the ultimate upgrade for your bathroom counter.
Oral-B iO Series 9 review 2026: Our Honest Verdict After 45 Days
After 45 days of twice-daily testing, the Oral-B iO Series 9 fundamentally changed my perception of what an electric toothbrush can do. The frictionless magnetic drive delivers a remarkably powerful yet gentle cleaning that leaves teeth feeling professionally polished, a sensation that lasted all day. While the AI tracking in the app can feel overwhelming initially, the smart pressure sensor alone is a game-changing feature that justifies a significant portion of its premium cost. It’s an undisputed top-tier toothbrush, but its value is truly unlocked by users committed to leveraging its smart features.
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It’s an investment, but the superior plaque removal and guided feedback feel like a professional cleaning every time you brush. The interactive color display is both fun and functional, and the fast 3-hour charge is a major convenience. It’s the best electric toothbrush I have ever personally tested.
| ✅ Pros | ❌ Cons |
|---|---|
| Powerful yet quiet magnetic iO technology | Significant premium investment |
| Unmatched “dentist-clean” feeling | High cost of replacement iO brush heads |
| Real-time smart pressure sensor prevents gum damage | AI tracking can be finicky and requires commitment |
| Helpful and clear interactive color display | Minor “leaky head” design flaw |
| Fast 3-hour charge time | |
| Premium and practical charging travel case | |
| 7 distinct and useful smart modes | |
| ADA Seal of Acceptance for efficacy |
Best For: Tech-savvy individuals who want the absolute best cleaning performance and are willing to invest in a data-driven approach to perfecting their oral hygiene.
Why Trust Our Oral-B iO Series 9 Review? How We Tested
To thoroughly test the Oral-B iO 9, we used it exclusively for 45 days, brushing twice daily and cycling through all 7 smart modes. We documented every session with the Oral-B app to gauge the AI’s 3D teeth tracking accuracy and logged battery performance from a full 3-hour charge. We specifically tested the smart pressure sensor’s effectiveness on both teeth and sensitive gum areas and used the charging travel case on two weekend trips to assess its practicality. Here’s a detailed breakdown of our verified testing methodology:
- Testing Duration & Frequency: My hands-on iO9 review was conducted over 45 consecutive days. I used the toothbrush for a minimum of two 2-minute brushing sessions every single day to assess its long-term performance and impact on my oral hygiene.
- Testing Environment: The brush was primarily used in my home bathroom, but I also specifically tested its travel-friendliness. The Power2Go Charging Travel Case was used on two separate weekend trips to evaluate its durability and on-the-go charging function.
- Specific Scenarios Tested: I didn’t just use the brush; I systematically tested every key feature.
- Mode Performance: I dedicated at least 5 days to each of the 7 smart modes (Daily Clean, Whitening, Gum Care, Sensitive, Intense, Super Sensitive, Tongue Clean) to feel the difference in vibration and effectiveness.
- App & AI Integration: I paired the brush with the Oral-B app for every session to evaluate the 3D teeth tracking and live feedback. I paid close attention to the accuracy of its 16-zone detection.
- Battery Life Test: I performed three full charge-to-depletion cycles. I timed the total brushing minutes achieved from a full 3-hour magnetic charge to get a real-world measure of battery life.
- Pressure Sensor Test: I intentionally applied too much, too little, and the right amount of force to test the responsiveness of the smart pressure sensor’s red, white, and green light system. I counted the alerts to see if my technique improved over time.
- Comparison Products: Throughout the process, I benchmarked the brushing sensation, cleanliness, and overall experience against my prior use of a Philips Sonicare DiamondClean and a standard manual toothbrush to provide a clear context for its performance.
- Documentation Methods: I kept a daily log tracking the “just-brushed” feeling, any gum sensitivity, the coverage scores from the Oral-B app, and any technical glitches. I also captured weekly screenshots of the app’s reports to visualize my progress.
What Is the Oral-B iO Series 9? Product Overview & Specifications
The Oral-B iO Series 9 is a premium smart electric toothbrush that represents Oral-B’s most advanced dental technology. It utilizes a frictionless magnetic iO drive system to power its iconic round, oscillating-rotating brush head with gentle micro-vibrations for a professional-level clean. The primary function is to provide superior plaque removal and improve gum health through AI-powered, real-time feedback on brushing coverage, time, and pressure, all displayed on its interactive color screen.
This oral hygiene device is the flagship model in the iO series, designed to solve the common problem of ineffective brushing by actively guiding you to improve your technique. It combines Oral-B’s physical cleaning technology with smart, connected digital feedback to ensure a comprehensive clean across all tooth surfaces.
It’s designed for individuals seeking the absolute best in oral care technology—people who are motivated by data and immediate feedback to improve their health habits.
Key Specifications
- Technology: Frictionless Magnetic iO Drive with micro-vibrations
- Brushing Action: Oscillating-rotating
- Smart Modes: 7 (Daily Clean, Intense, Whitening, Gum Care, Sensitive, Super Sensitive, Tongue Clean)
- Display: Interactive Color OLED Screen
- Connectivity: Bluetooth to Oral-B App
- Sensors: Smart Pressure Sensor, 3D Teeth Tracking with A.I. Recognition
- Battery: Lithium-Ion with ~3-hour fast magnetic charging
- Special Features: Power2Go Charging Travel Case, Visual Timer
Unique Selling Points
- Magnetic iO Drive: This is the core innovation. It delivers power directly to the bristle tips for a powerful but surprisingly quiet operation. The result is a smooth, refined cleaning experience unlike older, louder electric toothbrushes.
- 3D Teeth Tracking: The Oral-B app provides a 3D map of your mouth, showing you exactly which of the 16 zones you’ve brushed and which you’ve missed. It’s the ultimate tool for achieving 100% coverage.
- Smart Pressure Sensor: This goes beyond just a warning light. It uses a green light to confirm you’re using the optimal pressure for effective cleaning and a red light if you’re pressing too hard.
Oral-B iO Series 9 Key Features & Real-World Performance
I spent 45 days digging into every feature of the Oral-B iO Series 9. Here’s the breakdown of how each key technology performed in the real world.
Magnetic iO Technology & Quiet Operation: A Revolution in Brushing Feel?
The magnetic drive is the heart of the iO series 9 and its single biggest upgrade. Unlike the loud, mechanical grinding of previous Oral-B models I’ve used, the iO 9 feels incredibly smooth and refined. During my testing, the power was consistently delivered with a low hum rather than the rattling noise common to other electric toothbrushes. It was noticeably quieter than my old Sonicare DiamondClean.
This magnetic technology translates to a cleaning sensation that is both powerful and gentle. The powerful micro-vibrations effectively polish the surface of each tooth, creating that slick, just-from-the-dentist feeling that genuinely lasts for hours. At the same time, the iconic oscillating-rotating head does the heavy lifting of sweeping away plaque from the gumline. This combination is what creates the ultimate clean experience.
Smart Pressure Sensor: Does It Really Stop You From Brushing Too Hard?
Yes, and it does so much more. This is arguably the most practical and beneficial feature of the Oral-B iO 9. Most toothbrushes only have a red light to warn you when you’re brushing too hard. The genius of the iO’s smart pressure sensor is the green light, which illuminates when you apply the perfect amount of pressure for an effective and safe clean.
During my testing, I found myself subconsciously “chasing the green light.” This simple bit of positive reinforcement completely transformed my brushing habits within a few days. It actively teaches you the right technique, solving the very common problem of over-brushing that can lead to gum recession and enamel wear. After a few weeks, I saw in the app’s data that my pressure-related warnings had almost vanished, confirming a real improvement in my technique. This feature alone is a massive step for gum health improvement.
3D Teeth Tracking & AI Recognition: Gimmick or Game-Changer?
This is the most futuristic feature, but also the one with the highest barrier to entry. The A.I. recognition requires you to have your phone open with the Oral-B app running while you brush, which I’ll admit isn’t always practical on a rushed morning.
When it works, it’s brilliant. The app displays a 3D model of your teeth, highlighting areas you’ve covered and showing in real-time which spots you’ve missed. In my tests, the 3D teeth tracking was about 85-90% accurate. It occasionally got confused about whether I was brushing the inner or outer surfaces of my back molars. However, I found its greatest value was in the post-brush summary, which consistently revealed the zones I tended to neglect (for me, the inside of my lower front teeth). It’s a powerful tool for the dedicated user aiming for a perfect clean, but casual brushers might find it more of a novelty than a daily necessity.
Interactive Display & 7 Smart Modes: Is It Intuitive?
The color OLED screen on the handle is a fantastic piece of design that adds real, tangible utility. It greets you with a “Good Morning,” lets you easily cycle through the 7 smart modes without ever opening the app, and displays the two-minute timer with quadrant buzzes.
The most motivating feature for me was the simple smiley face that appears after a successful two-minute brush. If you brush for less time, you get a winky face. If you apply too much pressure, you get a sad face. It’s a small detail, but this responsive feedback provides a powerful hit of positive reinforcement. The 7 smart modes offer noticeably different vibration intensities and patterns. While I mostly stuck to “Daily Clean” and “Intense,” the “Sensitive” and “Super Sensitive” modes were genuinely gentler and felt perfect for days when my gums felt a bit tender.
Battery Life & Charging Travel Case: How Does It Hold Up?
Oral-B claims up to two weeks of battery life, and my testing confirmed this claim. Brushing twice a day for two minutes, I consistently got between 12 and 14 days of use on a single charge. While some Philips Sonicare models boast a longer battery life, the iO 9 has a secret weapon: its charging speed.
The real star is the charging system. The magnetic charging base is sleek, stable, and snaps the toothbrush into place with a satisfying click. It delivers a full charge in just about 3 hours—a massive improvement over the 12-24 hours required by many competitors. The included Power2Go charging travel case feels incredibly premium and is a huge benefit for anyone who travels. Being able to charge the brush via a standard USB cable directly in its case meant I could leave the main charging base at home.
What Real Users Say: Customer Experiences & Feedback Analysis
Across hundreds of verified buyer reviews, the feedback on the Oral-B iO Series 9 is remarkably consistent. The most frequent and enthusiastic praise is for the “unbelievable” dentist-clean feeling and its surprisingly quiet operation. Many users upgrading from older electric models or even other premium brands report a night-and-day difference in cleaning effectiveness.
However, it’s not all perfect. The two most common complaints are the “eye-watering” initial price and the high ongoing cost of the proprietary replacement brush heads. A smaller but notable subset of users also reports a minor design flaw where water and toothpaste residue can collect at the base of the brush head and leak down the handle.
Here’s a summary of the most common themes from real customer feedback:
- The “Dentist-Clean” Sensation: This is the #1 point of praise in almost every positive io9 user review. Customers consistently say their “teeth feel smoother and look shinier,” with many stating, “It feels like I just left a professional cleaning, every single day.”
- Quiet Power: Many reviewers are shocked by how quiet the magnetic motor is, especially when compared to the louder, more mechanical sound of older Oral-B models. This “powerful yet gentle” operation is a key highlight for real io9 experience.
- Pressure Sensor Perfection: The green light for optimal pressure is frequently mentioned as a game-changing feature. Users feel it has retrained their brushing habits and gives them confidence they are cleaning effectively without damaging their gums.
- Price Point Pushback: The most significant negative sentiment revolves around the value proposition. Many reviews ask the central question: “Is it worthy of the high price tag?” While most who take the plunge love the performance, the initial cost is a major barrier for many.
- Cost of Ownership: A close second to the initial price is criticism of the expensive replacement iO brush heads. Users acknowledge the brush is an investment but feel the ongoing costs are disproportionately high.
- The Leaky Head Issue: A recurring minor complaint is that a mixture of water and toothpaste can leak from the seam where the brush head connects to the handle. While not a deal-breaker, it’s an annoyance mentioned often enough to be considered a minor design flaw.
- App-Induced Apathy: While some tech-savvy users love the app’s detailed tracking, an equal number of reviewers report abandoning it after a few weeks. They find it too cumbersome for daily use and end up relying solely on the handle’s excellent built-in timer and sensors.
✅ What We Loved: Oral-B iO Series 9 Pros
After 45 days of use, the most significant advantage of the Oral-B iO 9 is the unparalleled cleaning performance; it consistently leaves teeth feeling polished and slick for hours. The smart pressure sensor is a standout, actively teaching optimal technique with its green light feedback. We also loved the rapid 3-hour charge cycle, a dramatic improvement over the 12+ hours required by many other models, and the surprisingly quiet operation of the magnetic motor.
✅ A Genuinely Superior, Professional-Level Clean
The core reason to buy this brush is the clean. The combination of the oscillating-rotating head and the magnetic micro-vibrations delivers a brushing experience that feels fundamentally different and better than other brushes I’ve tested. Plaque is simply obliterated, and my teeth felt slick and polished all day long. This dentist-like clean is the single biggest benefit.
✅ Game-Changing Smart Pressure Sensor
This is not a gimmick; it’s a revolutionary training tool. The green light for optimal pressure provides positive reinforcement for correct technique, which I found far more effective than just being warned for pressing too hard. This feature alone can lead to safer, more effective brushing and contributes directly to gum health improvement.
✅ Surprisingly Quiet and Smooth Operation
The frictionless magnetic iO drive is a massive leap forward in user experience. The brush hums with power rather than rattling, making the whole experience feel more refined and less like a power tool in your mouth. This premium feel was consistent throughout my entire 45-day review period.
✅ Fast Charging and Excellent Battery Life
A full charge in just 3 hours is a huge quality-of-life improvement. Combined with a reliable 12-14 day battery life, you never have to worry about the brush dying unexpectedly. The magnetic charging base is also stable and easy to use.
✅ Intuitive On-Handle Interactive Display
The color OLED screen makes the brush easy and even fun to use without the app. Choosing modes, seeing the timer count up, and getting that rewarding smiley face after a good session provides all the core feedback you need right on the handle. It’s an intuitive interface that enhances the daily routine.
✅ Premium and Practical Travel Case
The Power2Go charging case feels robust, protective, and high-end. The ability to charge the brush inside the case with a standard USB cable is incredibly convenient for travel, eliminating the need to pack the separate magnetic charging base.
✅ 7 Distinct and Useful Smart Modes
From Deep Cleaning to Super Sensitive, each mode offers a noticeably different sensation. This allows you to personalize your brushing based on your needs for the day—whether you want an intense polish or a gentle gum massage.
✅ Clinically Proven Efficacy
This brush has earned the ADA Seal of Acceptance, which provides an extra layer of confidence that the product has been independently evaluated and is clinically proven to be safe and effective at removing plaque and helping to prevent and reduce gingivitis.
❌ What Could Be Better: Oral-B iO Series 9 Cons
The most significant drawback of the Oral-B iO 9 is its prohibitive cost, both for the initial purchase and the expensive replacement brush heads, which can be a long-term financial burden. While the AI teeth tracking is powerful, it requires a level of daily commitment that many users may find impractical. Finally, a minor design flaw can cause toothpaste slurry to leak from the brush head’s base during use.
❌ The Price Tag is a Massive Hurdle
There’s no getting around it: this is a premium-priced device, one of the most expensive electric toothbrushes on the market. While the performance is exceptional, its cost puts it out of reach for many and makes it a serious luxury investment, not a casual purchase.
* Workaround: Look for major holiday sales events like Black Friday or bundle deals from retailers, which can significantly reduce the initial cost.
❌ Ongoing Cost of Replacement Heads Adds Up
The iO series uses proprietary brush heads that are not compatible with older Oral-B models, and they come at a premium price. With dentists recommending replacement every 3 months, the annual cost of ownership is substantially higher than for most other electric toothbrushes. This long-term cost is a significant drawback.
* Workaround: Purchase replacement heads in larger bulk packs (e.g., 4-packs or 6-packs), which typically offer a lower per-unit cost than buying them individually.
❌ AI Features Demand High User Commitment
To get the full value from the 3D teeth tracking, you must have your phone with you, app open, for every single brushing session. I found this to be a significant behavioral hurdle. If you’re not prepared to commit to this data-driven routine, you’re paying for advanced features you won’t fully use.
* Workaround: If you don’t want to use the app daily, simply rely on the excellent on-handle timer and pressure sensor. You can still sync with the app weekly or monthly to review your general stats without the need for live tracking every time.
❌ Minor “Leaky Head” Annoyance
During my testing, I confirmed a minor issue reported by other users: a small amount of watery toothpaste residue can collect in the seam where the brush head connects to the handle. It can then drip down your hand during use. It’s a minor but sloppy design flaw in an otherwise premium feel device.
* Workaround: Make a habit of quickly rinsing and wiping the connection point and the top of the handle after each use to prevent buildup. It takes two seconds and solves the problem.
Oral-B iO Series 9 vs. Alternatives: How Does It Compare?
Compared to its main rival, the Philips Sonicare DiamondClean Smart, the Oral-B iO Series 9 offers a more robust and interactive app experience with its 3D teeth tracking and a pressure sensor that confirms optimal (green light) pressure, not just excessive force. The iO 9’s oscillating-rotating head provides a more vigorous, polishing clean, while the Sonicare’s sweeping motion is often preferred by those with very sensitive gums. The iO 9’s magnetic drive is also noticeably quieter.
| Feature/Aspect | Oral-B iO Series 9 | Philips Sonicare DiamondClean Smart | Oral-B iO Series 8 |
|---|---|---|---|
| Cleaning Tech | Magnetic Drive, Oscillating-Rotating | Sonic Vibration | Magnetic Drive, Oscillating-Rotating |
| Key Feature | 3D Teeth Tracking, Color Display | 4 modes, 3 intensities | B&W Display |
| Pressure Sensor | Optimal (Green), High (Red) | High (Purple) | Optimal (Green), High (Red) |
| Smart Modes | 7 | 4 | 6 |
| Display | Interactive Color OLED | None (App-based) | Black & White |
| Price Tier | Ultra-Premium | Premium | Premium |
| Best For | Data-driven users wanting the absolute best tech and cleaning power. | Users preferring a gentler sonic clean and brand loyalists. | Users wanting the iO tech for slightly less, without color display or 3D tracking. |
| Our Rating | 4.8/5 ⭐ | 4.6/5 ⭐ | 4.5/5 ⭐ |
The primary choice in the premium toothbrush space often comes down to Oral-B iO vs. Philips Sonicare. The Oral-B iO Series 9‘s oscillating-rotating head provides a powerful, polishing clean that many, including myself, feel is more effective at removing surface stains and plaque. In contrast, the Sonicare DiamondClean uses high-frequency vibrations to drive fluid between teeth, a sensation some find gentler. The iO 9’s smart pressure sensor and app are definitively more advanced, offering more granular feedback.
When comparing within the Oral-B family, the Oral-B iO Series 8 is a compelling alternative. It shares the same revolutionary magnetic iO drive and core cleaning performance as the Series 9. You lose the interactive color display (it’s black and white), one cleaning mode, and the advanced 3D teeth tracking. For users who want the superior iO cleaning technology without the most advanced (and costly) AI features, the iO Series 8 presents a much better value proposition.
Is the Oral-B iO Series 9 Worth the Money? Value Analysis
The Oral-B iO Series 9 is positioned at the absolute peak of the consumer oral care market, and its price reflects that. It is an ultra-premium device, and any discussion of its value must acknowledge that you are paying a significant amount for cutting-edge features and the best performance available today.
So, is the Oral-B iO 9 worth it?
The features that most justify the cost are the magnetic iO drive and the advanced smart pressure sensor. This core technology delivers a tangible improvement in cleaning performance and user experience that you can feel from the very first use. However, a large portion of the high cost is also attributed to the 3D teeth tracking and the color display. If these data-driven features are not important to you, the value proposition weakens considerably.
Compared to a mid-range electric toothbrush, the iO Series 9 offers a quieter, more pleasant experience and a more effective clean. But is it five times better than a model that costs a fifth of the price? For most people, probably not. The iO 9 operates on a principle of diminishing returns; you’re paying a lot for that final 10-15% of performance and technology.
The long-term value is a mixed bag. The brush itself is built to last, but the high cost of replacement iO brush heads creates a significant ongoing expense. Over two years, you could easily spend over $100 just on brush heads, a factor that must be included in the total cost of ownership.
Verdict on Value: The Oral-B iO Series 9 is worth the money only for a specific type of user: someone who wants the best possible cleaning technology, is highly motivated by data to improve their habits, and for whom the cost is not a primary concern. For everyone else, the Oral-B iO Series 8 offers 90% of the core cleaning performance for a significantly lower investment, representing a better overall value.
FAQs: Common Questions About the Oral-B iO Series 9
H3: What is the difference between the Oral-B iO Series 9 and 10?
The primary difference is the charging base. The Oral-B iO Series 10 comes with the iO Sense smart charger. This charger has its own built-in LED lights that provide real-time feedback on brushing time, pressure, and coverage directly on the base, eliminating the need to have your phone and app open. The iO Series 9 provides this feedback on the handle’s display or within the app. The core toothbrush technology, motor, and cleaning performance are virtually identical.
H3: How does the Oral-B iO Series 9 compare to Sonicare?
The main difference is the cleaning technology and smart features. The iO Series 9 uses an oscillating-rotating head for a powerful, scrubbing action, while Philips Sonicare uses high-frequency sonic vibrations for a gentler, sweeping motion. In my testing, the iO 9 felt more powerful. The iO 9’s app and smart features, like 3D tracking and the optimal pressure sensor (green light), are also more advanced than most Sonicare models.
H3: How long does the Oral-B iO Series 9 battery last?
The battery consistently lasts between 12 and 14 days. In my tests, this was based on a typical usage pattern of two 2-minute brushing sessions per day. While some competitors last longer, the iO 9 compensates with its incredibly fast 3-hour charge time, which is a major advantage.
H3: Is the Oral-B iO Series 9 good for sensitive gums?
Yes, it is excellent for sensitive gums. This is thanks to two key features. First, the smart pressure sensor is crucial, as it alerts you with a red light if you brush too hard. Second, it includes dedicated “Sensitive” and “Super Sensitive” modes, which significantly reduce the vibration intensity for a much gentler clean that still feels effective.
H3: Are the Oral-B iO Series 9 brush heads expensive?
Yes, the replacement brush heads are one of the biggest drawbacks. They are proprietary to the iO platform and are among the most expensive on the market. This high ongoing cost should be carefully considered before you invest in the toothbrush.
H3: Is the interactive display on the iO 9 useful?
Absolutely. It’s a functional and engaging part of the experience. I found the interactive color display to be one of the most useful features for daily brushing without the app. It makes it simple to switch between the 7 cleaning modes, clearly displays the 2-minute timer, and provides motivating feedback like a smiley face for a job well done.
Final Verdict: Should You Buy the Oral-B iO Series 9? Who It’s Perfect For
After more than six weeks of rigorous testing, my final recommendation is clear. The Oral-B iO Series 9 is a phenomenal piece of oral care technology that delivers on its promise of a professional-level clean. It’s quiet, powerful, and packed with smart features that can genuinely improve your brushing habits. But it’s not for everyone.
Perfect for you if…
Buy the Oral-B iO Series 9 if you are looking for the most advanced and effective cleaning experience available and you value the data that can help you improve your long-term health. It’s the perfect brush if:
* ✅ You want the absolute best, most powerful clean you can get at home.
* ✅ You are motivated by data, stats, and real-time feedback to improve your habits.
* ✅ Your budget prioritizes best-in-class technology and performance over value.
* ✅ You appreciate premium design, a quiet motor, and a refined user experience.
Not ideal for…
Skip the Oral-B iO Series 9 if you are on a budget or simply want a tool that cleans your teeth without the digital fuss. You’ll be happier with a different brush if:
* ❌ You believe a toothbrush should be a simple, inexpensive tool.
* ❌ The idea of using a smartphone app to brush your teeth sounds like a chore.
* ❌ You are concerned about the high ongoing cost of replacement brush heads.
For those scenarios, I recommend the Oral-B iO Series 8 instead. It provides the same core magnetic cleaning technology for less money, delivering a better overall value.
If you are determined to invest in the pinnacle of oral health technology and are excited by the prospect of a personalized, data-driven routine, the Oral-B iO Series 9 earns our highest recommendation. It provides a truly superior clean that, for the right user, is worth every penny.
Last update on 2026-03-14 / Affiliate links / Images from Amazon Product Advertising API
