Whitening gels put to the test: do they weaken teeth?
NCT ID NCT07165366
First seen Nov 01, 2025 · Last updated May 09, 2026 · Updated 27 times
Summary
This study looked at whether two common tooth-whitening methods—an at-home gel and an in-office treatment—change the hardness of tooth enamel. Forty people who needed to have four premolars removed for braces took part. Researchers flattened a tiny spot on each tooth, then applied the whiteners and later measured enamel hardness in the lab. The goal was to see if either method made enamel softer.
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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Locations
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Universidad Intercontinental
Mexico City, Tialpan, 14420, Mexico
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