AutoBrush® Adults

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.

measurements for adult regular brush heads

Adult Regular Brush Heads

Brush head measures 53mm from front to back and 77mm across at the widest point.

measurements for adult regular brush heads

Adult XL Brush Heads

Brush head measures 59mm from front to back and 77mm across at the widest point.

measurements for adult XL brush heads

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

Fluoride vs Nano-HAp

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.

Learn more about Fluoride and Nano-HAp in our blog.

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Collection: Shop All

World's only ADA-accepted U-shape toothbrush. Get up to 5.1X better clean in just 30 seconds — up to 82% more plaque removal, and up to 45% less gingivitis.

  • ★★★★★

    "My daughter is obsessed with her unicorn toothbrush. She has brushed her teeth 6x in the past 15 minutes. She loves the toothpaste too (bubblegum) and it smelled great."

    JC 
  • ★★★★★

    "Made my kids so excited for teeth brushing!! I bought a cheaper version and the bristles are not nearly as dense and it doesn’t really clean. I love the lights and music, and it comes with stickers for kids to track their brushing. Best of all it made my 5 year old brush his teeth on his own instead of asking us to do it. Win win win."

    Hana 
  • ★★★★★

    "We love it. Makes brushing teeth so much easier and not a fight. My 6 year old and 9 year old both have one."

    Kelly B. 
  • ★★★★★

    "We have tried other brushes and end up just doing it ourselves after fighting our five year old for an hour. After much debating we finally ended up spending what we had wasted on the dozens of others beforehand on the Autobrush but after the extensive amount of research that I have poured into this brush and hundreds of others, the many patents and much more make the high price point extremely logical... She is so very excited about her unicorn autobrush!"

    Malyrie 
  • ★★★★★

    "My 5-year-old and 2-year-old love this. We bought them because my son started refusing us brushing his teeth and he wanted to do his own. This makes me feel a lot more confident that he’s brushing all his teeth better than a normal tooth brush. My daughter has the unicorn one and brushes on her own too!"

    YC 
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The Future of Children's Oral Hygiene

Explore the future of children's oral hygiene with AutoBrushes Kids Collection. Discover the best u-shaped toothbrush designed specifically for the little ones, ensuring a thorough, effortless clean. Our carefully curated selection showcases the best toothbrush for kids, combining fun, ease of use, and effectiveness. Turn brushing struggles into an exciting activity with our best electric toothbrush for kids. We have transformed oral care into a game that kids enjoy, promoting healthier, brighter smiles with every use.

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Frequently Asked Questions

Got questions? We've got answers! Check out our full customer care center for more info

View Full FAQS

Is autobrush ADA accepted?

autobrush is world's ONLY ADA-accepted U-shape toothbrush!
It gives up to 5.1X better clean in 30 seconds — up to 82% more plaque removal, up to 45% less gingivitis.
Trusted by families, backed by experts!

* Based on clinical studies conducted at Salus, an ADA-accredited research facility.

Dentists everywhere say these don't work! So, what makes autobrush different?

It’s tricky. Most dentists are familiar with u-shaped brushes as a category, rather than our exact model. We are the only u-shaped toothbrush that is ADA-accepted with a patented nylon brush head (as opposed to silicone) with clinical studies to back our claims.

You can read the whole study here

Our clinical study report

Why are other "u-shaped" toothbrushes cheaper on Amazon?

Cheaper? Yep, but you get what you pay for. Many of those lower-priced “u-shaped” toothbrushes on Amazon feature silicone bristles, which is proven to be less effective than not brushing at all. In contrast, autobrush uses patented nylon bristles— it is ADA-accepted and clinically proven (in three separate clinicals) to clean your teeth up to 5.1x better and reduce gingivitis up to 45%. It might cost a bit more, but it’s an investment in your future oral health.

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Are there clinical studies to prove autobrush works?

autobrush is the world's only ADA-accepted u-shape toothbrush. We have 3 clinical studies (and more to come!). We are the only u-shaped toothbrush on the market shown to brush even better than traditional manual toothbrushes.

Read the results from our clinical studies

What is the different between Manual, Sonic and Sonic Pro?

Let's make choosing the right autobrush both fun and easy!

For a no-fuss clean, Manual is your go-to—it's a simple, speedy way to brush teeth without batteries or charging; just add toothpaste and you're all set!

Seeking a bit more? Sonic adds a buzz to the routine with vibrations for a deeper clean, complemented by a catchy tune to zip through those 30 seconds.

And for the ultimate brushing experience, the Sonic Pro packs in all the cool features to make dental hygiene a joy, including three cleaning modes and dental-grade LED lights.

Our customer support team is always here to help you out!

How to find the right brush head size?

Finding the perfect brush head size is crucial for the best brushing experience. We recommend choosing based on the user’s age or the actual size of the mouth. Check out our detailed size chart to identify the best fit for you. If you're still unsure, don't hesitate to reach out to our customer care team at customercare@autobrush.com —we're here to help guide you!

For more information, you can view the size chart on our support page.

Is autobrush recommended for people with disabilities?

autobrush is the best toothbrush on the market to help people with disabilities brush independently, particularly for individuals with muscle weakness, lack of mobility, reduced motor function, and sensory disorders. We’ve heard rave reviews from customers with autism spectrum disorders, cerebral palsy, and more.

How effective is autobrush on the gum line?

In a clinical study conducted by Salus Research, an ADA-accredited facility, autobrush reduced gingivitis by up to 45% after 30 days of use.*
It also demonstrated a cleaning performance up to 5.1x better than manual toothbrushes, promoting healthier gums.

You can read the whole study here:

Read our results summary

Read the full study

How does it work to clean the back of the teeth?

autobrush is expertly designed to cover every part of your teeth—the front AND backs. The brush head features bristles strategically positioned to reach all surfaces. To maximize effectiveness, all bristles pulse simultaneously, providing comprehensive cleaning. For best results, we recommend using a gentle circular motion when using your autobrush. This technique ensures that every nook and cranny gets the attention it deserves, leaving your whole mouth feeling fresh and clean.

Does it work with braces and other dental work?

The autobrush is safe to use on braces (and other dental work) - it won’t cause damage, and your little one will still get a great clean! Just make sure they move the brush around their mouth during the cleaning cycle to clean all surface areas around their braces.

What do the LED lights do? Are they safe?

Our red and blue LED lights are non-UV and completely safe to use. Red LEDs help support gum care, while blue LEDs can enhance whitening when paired with a whitening agent, such as our whitening pens.

Can I use my own toothpaste?

Absolutely! While our specially formulated foaming toothpaste is designed to give you the best results with autobrush, we get that everyone has their favorites. Feel free to use your own toothpaste—just try to pre-foam it before brushing to make your experience even better. It’s all about making your brushing routine as effective and enjoyable as possible!

What are your customer happiness policies?

  • 30-day money-back guarantee
  • Lifetime warranty while you stay subscribed
  • Hassle free returns
  • Free shipping on orders $99+ or when you subscribe!

Will this make my kid lazy?

Not at all! autobrush doesn't make kids lazy—it fosters independence. It is perfect for teaching little ones to take charge of their daily routines in a fun and effective way. Using autobrush is a practical way to help manage their dental health efficiently and effectively.

What about the tongue?

Great point! We offer a tongue scraper. Grab one here: Tongue Scraper

Scraping the tongue is proven more effective than brushing.