Can a special varnish erase white spots left by braces?
NCT ID NCT04528134
First seen Jul 09, 2026 · Last updated Jul 10, 2026 · Updated 1 time
Summary
This study tests two types of fluoride varnish—one that hardens with a special light and a standard one—to see if they can reverse white spot lesions (early cavities) that often appear after braces are removed. About 38 teenagers who are finishing orthodontic treatment will receive different varnishes on each side of their mouth, and researchers will track changes in the spots and in mouth bacteria over six months. The goal is to find a simple treatment that helps teeth heal and prevents cavities.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- fluoride varnish (light-cured resin-modified glass ionomer and 5% sodium fluoride)
- What this could lead to
- If effective, these varnishes could offer a simple, in-office way to reverse white spots after braces and reduce cavity risk.
- What could go wrong
- This is a small, early-stage trial with only 38 participants, so results may not apply broadly. The varnishes may not outperform placebo or standard care.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Locations
-
UCLA School of Dentistry
Los Angeles, California, 90095, United States
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