Electric Toothbrushes

What Really Matters Beyond the Marketing

HEALING FOUNDATIONSBIOLOGICAL DENTISTRY

Shannon Korczynski

5/30/20268 min read

Last week, we explored the science behind sonic toothbrushes and how vibration, fluid dynamics, and movement may support a healthier oral environment. We discussed the difference between sonic and ultrasonic technology, why force is not the same thing as cleanliness, and how oral health depends on far more than simply scrubbing plaque away.

This week, I want to take a more practical approach.

The electric toothbrush market has exploded over the past decade. What was once a choice between a few major brands has become an overwhelming sea of options. Sonicare, Oral B, SURI, Kyoui, Oclean, Burst, Laifen, Quip, Aquasonic, Zen, Tao, and dozens more.

Most promise cleaner teeth. Many claim to be sonic. Some focus on sustainability. Others focus on artificial intelligence, Bluetooth tracking, apps, whitening modes, travel features, or sleek design.

More features do not necessarily translate into better oral health.

Through the Heal Teeth Naturally and Cellular Remembrance Method lens, I evaluate toothbrushes a little differently. My focus remains supporting the oral terrain, protecting tissues, encouraging healthy habits, and helping people care for their mouths without creating additional damage along the way.

The Biggest Mistake I See People Make

Many people use an electric toothbrush as if it were a manual toothbrush. If you are actively scrubbing with an electric toothbrush, you have largely defeated the purpose.

The goal is not to brush harder with sonic technoligy. The goal is to guide the brush head slowly along the gumline and tooth surfaces while allowing the sonic technology to do the work.

I often tell clients to imagine riding a hoverboard through a school zone. Slow, controlled, and intentional.

One of the advantages of a sonic toothbrush is that it creates fluid movement around the teeth and gums, extending beyond where the bristles physically touch. This movement may help disturb biofilm, move food debris, stimulate dentinal fluid flow, and encourage movement within the surrounding tissues where stagnation may occur leading to gingival inflammation.

For that to happen, the sonic wave needs space to work.

Brushing or even just laying the brush head on the teeth stops or quells the sonic wave to varying degrees. When people aggressively scrub back and forth, they dampen the vibration and reduce the effectiveness of the technology. In many ways, they turn an expensive electric toothbrush into a manual toothbrush with a motor attached.

Whether you choose Sonicare, SURI, Kyoui, Oclean, or another sonic toothbrush, the principle remains the same: guide the brush, don't scrub with it.

Sonic, Ultrasonic, Oscillating, and Hybrid: What's the Difference?

Not all electric toothbrushes work the same way.

Sonic

Sonic toothbrushes use high-frequency side-to-side movement to create both direct cleaning and fluid movement around the teeth and gums.

Unlike a manual toothbrush, the goal is not to physically scrub every surface. The sonic wave helps stimulate saliva, move fluid around the gumline, and create activity beyond where the bristles directly touch.

Supporters of sonic technology believe this fluid movement may help disrupt biofilm, flush food debris from difficult-to-reach areas, stimulate the soft tissues surrounding the teeth, support dentinal fluid flow, and encourage healthy circulation within the oral tissues.

Examples include Sonicare, SURI, Kyoui, Oclean, Burst, Zen, Tao, and Aquasonic.

Ultrasonic

True ultrasonic toothbrushes operate at frequencies far beyond human hearing. Rather than relying primarily on visible brush movement, they use ultrasonic waves to disrupt biofilm.

Examples include Megasonex and Emmi-Dent.

While fascinating from a technology perspective, ultrasonic toothbrushes remain a relatively small niche within the oral care market and are not commonly found in retail stores.

Oscillating and Rotating

These use a small round brush head that rotates back and forth around the tooth.

Oral B remains the most recognizable example.

Personally, I do not prefer round brush heads. They do not feel as natural to me and I find them less intuitive when teaching proper electric toothbrush technique.

Hybrid

Some newer toothbrushes combine sonic vibration with oscillation or other technologies.

Laifen is one of the more recognizable examples of this category.

What Matters Most to Me

After more than 42 years in dentistry, these are the factors I pay attention to most:

• True sonic performance

• Proper technique

• Brush head design

• Bristle materials

• Sustainability

• Ease of replacement head availability

• Real-world cleaning effectiveness

• Bluetooth and EMF considerations

Most importantly, does the toothbrush support a healthy oral terrain without encouraging aggressive brushing habits?

The goal is not to sterilize the mouth or create a squeaky-clean feeling.

The goal is to reduce excessive bacterial accumulation, remove food debris, support healthy biofilm balance, and protect the tissues that support the teeth.

Why Bristle Materials Matter

When most people think about a toothbrush, they focus on the handle.

I look at the bristles.

The gums are highly vascular, permeable tissues that sit in one of the most absorbent environments in the body. Every day, our oral tissues are exposed to the materials we place in our mouths, often multiple times per day for years or even decades. This is one reason I pay attention to bristle materials.

Many toothbrushes marketed as eco-friendly still rely on nylon or other synthetic plastic bristles. While replacing a plastic handle with bamboo is certainly a step in the right direction, I do not believe the conversation should stop there. For those seeking to reduce their overall plastic burden, the bristles matter more than the handle.

From a Cellular Remembrance Method perspective, daily inputs shape the terrain. The foods we eat, the water we drink, the air we breathe, the products we place on our skin, and the materials we repeatedly place in our mouths all contribute to the environment our cells must navigate.

That does not mean everyone must immediately replace every toothbrush in their home. It does mean I encourage people to become more conscious of the materials they are using and to consider options that reduce unnecessary plastic exposure whenever practical.

A Quick Word About Bluetooth, Apps, and EMFs

As a highly sensitive person (HSP), I am mindful of EMF exposure and generally prefer to reduce unnecessary technology where I can. Because of that, I have little interest in Bluetooth-enabled toothbrushes or smartphone apps that track brushing habits.

While some people enjoy the data and feedback these features provide, I have never felt the need to connect my toothbrush to my phone.

I am especially not a fan of using apps to monitor children's brushing habits. Children already spend significant time around screens, tablets, phones, WiFi, and other wireless devices. Personally, I do not see a compelling reason to add Bluetooth toothbrush tracking to that list.

In my experience, presence, guidance, observation, and teaching proper technique are far more valuable than relying on an app to do the parenting for us.

Children learn best when we are present and engaged with them.

I am also intentional about how I use my electric toothbrush. I do not leave it sitting on the charger continuously. Instead, I charge it only when the battery becomes low, usually while I am at work or overnight when I am not spending extended periods of time near the device.

Each person must decide where technology fits within their own health philosophy and comfort level. My goal is simply to encourage intentional decision-making rather than assuming more technology automatically creates better oral health.

Brands Worth Exploring

Rather than reviewing every model on the market, here are some of the brands that frequently come up in conversations about electric toothbrushes today and my observations on each.

Philips Sonicare

One of the longest-standing names in sonic technology and the brush many people associate with the category itself. Its oval brush head and widespread availability have made it a staple in homes and dental offices for decades. If you're looking for a proven entry point into sonic brushing, it's often where people begin.

Oral B iO

Oral B approaches oral care differently, relying on oscillating and rotating technology rather than traditional sonic movement. The company has embraced AI, Bluetooth connectivity, and brushing analytics more aggressively than most competitors. For those who enjoy technology and feedback, it may be appealing. For others, it may feel unnecessarily complex.

SURI

SURI has become one of the most visible sustainability-focused brands. Its emphasis on reduced waste, recyclable components, and plant-based materials reflects a growing awareness that oral care products affect more than just our mouths.

Kyoui

Kyoui stands out because of its focus on reducing technology rather than adding more of it. The lower-EMF positioning and streamlined design appeal to consumers who want sonic performance without app integration or digital tracking. (30% off coupon code: SHANNON10)

Zen

Zen combines sonic technology with a strong emphasis on sustainability. The brand appeals to consumers looking for a simpler, more environmentally conscious alternative to mainstream electric toothbrushes. (10% off coupon code: EvokeHealing)

Tao

Tao takes a similar approach, emphasizing natural materials and reducing reliance on disposable plastics. While less well known than larger brands, it reflects the growing demand for more conscious oral care products.

Oclean

Oclean sits firmly in the high-tech category. Many models include app connectivity, AI features, touchscreens, and extensive customization. For some users, that level of information is empowering. For others, it may feel like unnecessary noise.

Laifen

Laifen has gained attention by blending sonic technology with premium engineering and modern design. It represents the growing trend of turning oral care into a technology experience rather than simply a hygiene routine.

Burst

Burst built its reputation through dental professional partnerships and accessible pricing. It offers a straightforward sonic brushing experience without many of the advanced features found in newer technology-focused brands.

Aquasonic

Aquasonic has become popular because it makes sonic technology accessible. For many consumers, it provides a practical entry point into electric toothbrushes without requiring a major financial investment.

Quip

Quip helped popularize subscription brush heads and minimalist toothbrush design. Its success demonstrates how convenience and branding can sometimes be as influential as technology itself.

My Personal Recommendation

After more than 42 years in dentistry, I have used and recommended countless oral care products and watched electric toothbrush technology evolve dramatically over the decades.

I purchased my first Sonicare in the mid-1990s and have continued using some version of it ever since. Over the years, I have tried dozens of other electric toothbrushes as new brands and technologies entered the market. Some offered more features, some focused on sustainability, and others emphasized technology and connectivity. Yet I continue to return to Sonicare.

For me, it consistently provides the cleanest feeling and the brushing experience that best aligns with how I believe a sonic toothbrush should function. Today, I pair a Sonicare handle with a third-party ELIMS plant-based brush head. This combination allows me to benefit from the sonic technology I prefer while reducing my reliance on conventional plastic brush heads.

That does not make it the best toothbrush for everyone. I continue to support and appreciate companies such as SURI, Zen, and Kyoui for the unique contributions they bring to the market. Each is helping move the conversation forward through greater attention to sustainability, reduced plastic waste, simplified technology, and more conscious design choices.

The reality is that the "best" toothbrush depends on your priorities. For me, Sonicare remains the one I reach for every day, while I remain grateful to see other companies challenging the industry to think differently about oral care.

Coming Soon

As I researched this article, I realized there is far more to evaluating a toothbrush than most people realize.

Technology is only one piece of the puzzle.

Brush head design, bristle materials, sustainability, EMF considerations, replacement head availability, long-term cost, and how the brush interacts with the oral terrain all deserve a deeper conversation.

Because of that, I am considering creating a comprehensive Electric Toothbrush Guide that compares popular brands through a Heal Teeth Naturally and Cellular Remembrance Method lens.

And next week, we'll take a closer look at manual toothbrushes because what touches your gums every day influences far more than plaque removal. The materials we place in our mouths interact with highly vascular tissues, shape the oral terrain, and become part of the daily inputs that influence cellular and systemic health. The bristles matter more than most people realize.