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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Autobrush Manual: User Guide

Frequently Asked Questions

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

View Full FAQS

"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 with a patented nylon brush head (as opposed to silicone) with a clinical study to back our claims. In our study with Salus research, they found autobrush removed plaque 27X better than a traditional brush.

You can read the whole study here:

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

It's not 😉. You're seeing knockoffs with silicone bristles proven to be less effective than not brushing at all. To get the clinical-backed autobrush with patented nylon bristles, you'll pay a little bit more.

To get the best deals, make sure you're signed up for email and texts.

"This doesn't look like it'll do a great job reaching the gumline, how effective is it on the gumline?"

In our clinical study with Salus Research, autobrush was proven to clean a full 20X better along the gumline than a traditional toothbrush.

You can read the whole study here:

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

Each autobrush brush head is expertly designed with bristles covering all surface areas of your teeth, including front, back, and tops. All bristles pulse at once to clean the entire surface of each tooth at one time.

Where can I learn more about your clinical study?

Glad you asked!

Is autobrush ADA approved?

We are making progress toward ADA accreditation. It's a lengthy and expensive process. That being said every autobrush brush head is specially designed to utilize the ADA-approved BASS brushing technique, brushing all surfaces of your teeth at a 45° angle.

Is autobrush recommended for kids with disabilities?

autobrush is the best toothbrush on the market to help people with disabilities brush independently, particularly for kiddos 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.

What are your policies?

  • 30-day money-back guarantee.
  • Lifetime warranty. 
  • Free + hassle-free returns.
  • Free shipping

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 about the tongue?

Great point! We offer an automatic tongue scraper since scraping the tongue is proven more effective than brushing.

Grab one here: Tongue Scraper

See what Dr. Kalanratri, Dr. Griffey, Dr. Ghassabian, & Dr. Houlik are saying

Not all u-shaped brushes are created equal

Don’t be fooled by poorly made silicone knock-offs—Autobrush is the only nylon u-shaped brush that’s ADA Certified & clinically proven effective.
autobrush Manual
Amazon U-Brush Knockoffs
Electric Toothbrush
Manual Toothbrush
autobrush Manual Yes!
Amazon U-Brush Knockoffs No
Electric Toothbrush No
Manual Toothbrush No
autobrush Manual Yes!
Amazon U-Brush Knockoffs No
Electric Toothbrush some some
Manual Toothbrush Some Some
autobrush Manual Yes!
Amazon U-Brush Knockoffs No
Electric Toothbrush No
Manual Toothbrush No
autobrush Manual Yes!
Amazon U-Brush Knockoffs No
Electric Toothbrush No
Manual Toothbrush No
autobrush Manual Yes!
Amazon U-Brush Knockoffs Yes!
Electric Toothbrush No
Manual Toothbrush No