TEETH STAINING
Clinical trials for TEETH STAINING explained in plain language.
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A brighter smile without fluoride? new trial tests whitening toothpaste against stains
Symptom relief CompletedThis study compares a non-fluoride whitening toothpaste to a standard fluoride toothpaste to see which better removes surface stains from teeth. About 100 adults will brush with one of the two toothpastes at home for four weeks. Researchers will measure tooth color changes using …
Matched conditions: TEETH STAINING
Phase: NA • Sponsor: Boka LLC • Aim: Symptom relief
Last updated Aug 15, 2026 00:00 UTC
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Toothpaste showdown: can whitening paste beat fluoride for stain removal?
Symptom relief CompletedThis study tests whether a non-fluoride whitening toothpaste can remove tooth stains better than a regular fluoride toothpaste that doesn't whiten. About 109 adults will use the toothpaste at home for 8 weeks. Researchers will measure tooth color and stain levels to see which pro…
Matched conditions: TEETH STAINING
Phase: NA • Sponsor: Boka LLC • Aim: Symptom relief
Last updated Aug 13, 2026 00:00 UTC
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New toothpaste promises brighter smiles without fluoride
Symptom relief CompletedThis study compares a non-fluoride toothpaste containing nano-hydroxyapatite and a special silica abrasive to a standard fluoride toothpaste for whitening teeth. 120 adults will brush with one of the two toothpastes for 2 weeks. Researchers will measure stain reduction using a st…
Matched conditions: TEETH STAINING
Phase: NA • Sponsor: Boka LLC • Aim: Symptom relief
Last updated Aug 13, 2026 00:00 UTC