Toothbrushes & Replacement Heads
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How do I remove and replace my RADIUS replacement head?
Gently pull the head straight off—no twisting required. If it's tight, warm water helps loosen it. -
The Big Brush™/Flex™ Brush is too big for my mouth. Is the Source™ Toothbrush smaller?
Yes—Source™ has a head about 50% smaller while still offering 200–300% more bristles than standard brushes. -
The bristles on my brush are falling out. What should I do?
Bristles should never fall out—contact us for a replacement. -
What are the staples in RADIUS toothbrushes made of?
The bristles are secured using a nickel‑silver alloy staple. -
What is the difference between the Pure Brush & the Totz® Brush?
The Pure Brush has twice as many bristles and is softer for babies 6 months+, while Totz® is designed for toddlers 18 months+. -
Which RADIUS toothbrushes have replacement heads?
The Source™, Big Brush, Big Kidz ® Brush, and Tour™ Brushes use interchangeable replacement heads. -
Why are RADIUS bristles end-rounded?
End‑rounded bristles are smoother, safer, and gentler on gums.