Dental proxabrush
A proxabrush is a small interdental brush that cleans plaque from gaps around teeth, braces, bridges, and implants.
The short answer
A proxabrush is a small interdental brush that cleans plaque from gaps around teeth, braces, bridges, and implants. The correct diameter should contact the sides of the space without force, and a dentist or hygienist can help select the size.

What does a proxabrush look like and how does it work?
The brush has a narrow handle and a tuft of fine bristles, often supported by a coated wire. It reaches surfaces beneath orthodontic wires and around prosthetic components that a regular toothbrush cannot contact effectively.
How should you use a proxabrush around teeth and appliances?
Guide the brush gently through each open space, curve it around the tooth or appliance, and rinse it after use. Never force a brush into a tight contact, bend the wire against a tooth, or continue if it causes persistent bleeding or pain.
When do bleeding or painful spaces need dental assessment?
Ask for an examination if spaces bleed repeatedly, smell bad, trap food, or feel painful despite cleaning. A dentist should also assess loose teeth, gum recession, swelling, or difficulty cleaning around an implant or bridge.
What should you ask about the right interdental brush size?
Ask which brush size fits each space and whether floss, a water flosser, or a single-tuft brush is also needed. Ask how to clean under your specific bridge, braces, retainer, or implant-supported restoration without damaging tissue.
Frequently asked questions
Can an interdental brush replace brushing?
No. It complements toothbrushing by cleaning surfaces between teeth and around appliances.
Why do my gums bleed with the brush?
Bleeding can reflect inflamed tissue, excessive force, or an ill-fitting brush and should be assessed if it persists.
Who wrote this page
This library is published by Dental Nation, a licensed dental group practising in the United Arab Emirates. Pages are written and overseen by the same clinical team that treats patients in our clinics, and are held to a fixed editorial standard for safety and accuracy.
This page is patient education, not medical advice, and cannot replace an examination. Anything urgent — facial swelling, trauma, uncontrolled bleeding or severe pain — needs a dentist or emergency care now.
