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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Dental

Breaking down the numbers behind our 5th clinical study against knockoffs

Breaking down the numbers behind our 5th clinic...

New clinical results reveal just how wide the performance gap is between Autobrush and silicone knockoff brushes. Autobrush delivered significantly better plaque removal on every surface, including up to 10×...

Breaking down the numbers behind our 5th clinic...

New clinical results reveal just how wide the performance gap is between Autobrush and silicone knockoff brushes. Autobrush delivered significantly better plaque removal on every surface, including up to 10×...

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Discover how oral probiotics balance your mouth’s microbiome, freshen breath, and support gum health, backed by science and Autobrush innovation.

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How to choose the right Autobrush head size

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Find the perfect Autobrush head size. Use our easy age guide or the bread-bite test to ensure the best clean and most comfortable fit.

How to choose the right Autobrush head size

Find the perfect Autobrush head size. Use our easy age guide or the bread-bite test to ensure the best clean and most comfortable fit.

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Leading the Category We Created: Autobrush Outp...

Autobrush didn’t join the U-shaped toothbrush category, we created it. Backed by new clinical data, Autobrush proves its unmatched performance against knockoffs, cleaning up to 6.9× better across all surfaces...

Leading the Category We Created: Autobrush Outp...

Autobrush didn’t join the U-shaped toothbrush category, we created it. Backed by new clinical data, Autobrush proves its unmatched performance against knockoffs, cleaning up to 6.9× better across all surfaces...

7 Years of Better Brushing

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Seven years ago, Autobrush set out to change how the world brushes its teeth. Today, we’re celebrating the innovation, persistence, and people who turned that wild idea into one of...

7 Years of Better Brushing

Seven years ago, Autobrush set out to change how the world brushes its teeth. Today, we’re celebrating the innovation, persistence, and people who turned that wild idea into one of...