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How to pick the right brush head size for you

Updated 2 weeks ago by Atul Shastry

Pick the correct brush head size for you based on the user's age, or you can base it on the actual size of the user's mouth as well. 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.

Kid's Sizes


Adult's Sizes:

Sizing and Measurements


56 mm wide; 38 mm long


65 mm wide; 43 mm long


75 mm wide; 49 mm long

Adult Regular

77 mm wide; 53 mm long

Adult XL

77 mm wide; 59 mm long

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