Brush head size guide
Pick the correct brush head size based on the user's age, or you can base it on the actual size of the user's mouth. Refer to our size chart to find the best fit. To measure the size of your mouth, you can use dental floss to determine the right size for you. Our AutoBrush Pro Brush Heads are designed to have the following measurements.
Adult small brush heads
Brush head measures 49mm from front to back and 75mm across at the widest point.
Adult regular brush heads
Brush head measures 53mm from front to back and 77mm across at the widest point.
Adult XL brush heads
Brush head measures 59mm from front to back and 77mm across at the widest point.
Still unsure? We’re happy to help!
Our team is here to answer all your questions on sizing or product features. Just contact us at customercare@autobrush.com
What is the difference between Fluoride and Nano-HAp?
Fluoride and Nano-Hydroxyapatite (Nano-HAp) both enhance dental health effectively. Fluoride is renowned for its ability to strengthen tooth enamel and prevent cavities. Nano-HAp offers a similar benefit as a fluoride-free alternative, perfect for those who prefer it, and is especially safe for children who might swallow toothpaste.
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1. Clinically proven to reduce gingivitis by up to 45%
In clinical testing, Autobrush demonstrated up to 45% greater gingivitis reduction compared to a manual toothbrush over four weeks.
That's not marketing. That's the difference between reversible gingivitis and permanent periodontal disease.
2. Delivers consistent gumline contact in 30 seconds
Most people fall short on consistency.
Manual brushing depends on angle, pressure, and memory.
Autobrush contacts your entire gumline evenly in 30 seconds—every single time.
Perfect angle. No missed spots.
3. GumDefend™ bristles target inflammation at the source
Bleeding gums are not normal. They're a sign your immune system is fighting infection.
Autobrush features soft silicone GumDefend™ bristles positioned to gently stimulate along the gum line while 58,000 nylon bristles sweep the tooth surface.
This dual-bristle design addresses inflammation where it starts.
4. Stops gum disease before it spreads
Gum disease doesn't stay in your mouth. When bacteria infect your gums, they enter your bloodstream during everyday activities like chewing and swallowing.
That inflammation reaches your heart, brain, and immune system. Creating a cycle where disease feeds inflammation.
Autobrush removes plaque from the entire surface area of your teeth, including the gum line, where many brushes miss. Catch gingivitis early, and it's completely reversible. Ignore it, and you're looking at permanent periodontal disease.
5. Designed to make consistency achievable
Effective gum care requires two things: mechanical disruption of bacteria and consistent daily repetition.
Autobrush makes consistency achievable in 30 seconds. Because gum health isn't cosmetic—it's about protecting your heart, your brain, your blood sugar, and your longevity.
It's no wonder why dentists recommend it to their patients:
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Dr. Mikaeya Kalantari, Pediatric Dentist
"This is a really great toothbrush to get your kids on the routine of oral care. It makes it fun! It makes it exciting! The angle of the bristles and the more powerful vibrations are really really going to go far into getting the teeth clean."
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Dr. Clara D. Griffey, DDS
“If you have such a struggle getting them (your kids) brushing in the first place, this is a really great option. The music is what got my kids excited about it and love it!"
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Kelly Hancock, RDH
“The AutoBrush for Kids really takes the chore out of brushing. I think this is great for all children because it makes brushing super fun. It's a great motivator. It can also be really good for those with special needs or sensory issues."
Not all u-shaped brushes are created equal
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Frequently Asked Questions
Got questions? We've got answers! Check out our full customer care center for more info
Is autobrush ADA accepted?
Why Do Some Dentists Say “U-Shaped Brushes Don’t Work”?
Why Are Other U-Shaped Brushes on Amazon Cheaper?
Are There Clinical Studies to Prove Autobrush Works?
How Do I Find the Right Brush Head Size?
Is Autobrush Good for People with Disabilities?
How effective is autobrush on the gum line?
Is Autobrush Waterproof?
How Does Autobrush Clean the Backs of My Teeth?
Does Autobrush Work with Braces or Dental Work?
Can I Use My Own Toothpaste?
How Often Should I Replace My Brush Head?
What Are Your Customer Happiness Policies?
Will This Make My Kid Lazy?
Is Autobrush Completely Hands-Free?