Tooth discoloration
Clinical trials for Tooth discoloration explained in plain language.
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The whitening wars: peroxide vs Peroxide-Free bleaching put to the test
Symptom relief Recruiting nowResearchers at Minia University are comparing two in-office tooth bleaching systems: one that uses peroxide and one that does not. Fifty adults aged 18 to 45 with healthy front teeth will receive one of the two treatments. Over six months, the team will measure how white the teet…
Matched conditions: TOOTH DISCOLORATION
Sponsor: Minia University • Aim: Symptom relief
Last updated Sep 16, 2026 00:00 UTC
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3D-Printed trays promise brighter smiles with less sensitivity
Symptom relief Recruiting nowThis study tests whether 3D-printed custom nightguards whiten teeth better and more comfortably than traditional ones. Forty adults with stained teeth will use a standard whitening gel at home. Researchers will measure color change, tooth sensitivity, and gum irritation to find t…
Matched conditions: TOOTH DISCOLORATION
Sponsor: Universitat Internacional de Catalunya • Aim: Symptom relief
Last updated Jun 27, 2026 11:01 UTC