Tooth color
Clinical trials for Tooth color explained in plain language.
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Can a toothpaste whiten teeth in 90 seconds?
Symptom relief CompletedResearchers test several silica-based fluoride toothpastes that contain whitening ingredients like blue covarine, green covarine, clay, and charcoal. Adults with natural upper front teeth brush with one toothpaste at each visit, and cameras measure tooth colour before and right a…
Matched conditions: TOOTH COLOR
Sponsor: Unilever R&D • Aim: Symptom relief
Last updated Sep 19, 2026 00:00 UTC
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Can this toothpaste keep your teeth white after a dentist visit?
Symptom relief CompletedThis study tests whether a whitening toothpaste can help maintain the whitening effect of a professional dental cleaning. Fifty healthy adults will use either the whitening toothpaste or a regular toothpaste three times daily for four weeks. Researchers will measure teeth color a…
Matched conditions: TOOTH COLOR
Sponsor: Lacer S.A. • Aim: Symptom relief
Last updated Aug 28, 2026 00:00 UTC
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Braces and toothpaste: which one keeps your teeth whitest?
Knowledge-focused CompletedThis study looked at 45 people with braces to see if different toothpastes change tooth color or cause white spots. Participants used one of three toothpastes: Colgate Total, Curaprox, or ROCS. Researchers used 3D scans and special fluorescence photos to measure color changes ove…
Matched conditions: TOOTH COLOR
Sponsor: Taner OZTURK, DDS, MS • Aim: Knowledge-focused
Last updated Jun 26, 2026 19:01 UTC