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5 clinical studies listed.
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Tundra lists 5 Teeth Staining clinical trials. Each listing includes eligibility criteria, study locations, and direct links to research sites in the Tundra directory.
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NCT07761715
The Purpose of This Research Study is to Compare the Effectiveness of a Non-fluoride Sensitive Whitening Toothpaste, Containing 5% KNO3 (Test) to That of a Non-whitening Fluoride Toothpaste (Negative Control) in Improving Tooth Whiteness (Removal of Extrinsic Stains Over 4 Weeks of Unsupervised Use.
The Purpose of This Research Study is to Compare the Effectiveness of a Non-fluoride Whitening Toothpaste (Test) to That of a Non-whitening Fluoride Toothpaste (Negative Control) in Improving Tooth Whiteness (Removal of Extrinsic Stains Over 4 Weeks of Unsupervised Use.
Gender: All
Ages: 18 Years - Any
Updated: 2026-08-12
1 state
NCT07219342
The Purpose of This Research Study is to Compare the Effectiveness of a Non-fluoride Whitening Toothpaste (Test) to That of a Non-whitening Fluoride Toothpaste (Negative Control) in Improving Tooth Whiteness (Removal of Extrinsic Stains) Over 8 Weeks of Unsupervised Use.
The Purpose of This Research Study is to Compare the Effectiveness of a Non-fluoride Whitening Toothpaste (Test) to That of a Non-whitening Fluoride Toothpaste (Negative Control) in Improving Tooth Whiteness (Removal of Extrinsic Stains) Over 8 Weeks of Unsupervised Use.
Gender: All
Ages: 18 Years - 65 Years
Updated: 2026-08-11
1 state
NCT07214038
A Clinical Study to Evaluate the Stain Reduction Efficacy of a Non-Fluoride Tooth Whitening Dentifrice Containing Nano-Hydroxyapatite (nHAP) and a High Cleaning Silica Abrasive System Compared to a Commercial Fluoride Non-Whitening Dentifrice as a Negative Control
To determine whether brushing with a non-fluoride tooth whitening dentifrice containing nHAP and a high cleaning silica system produces a greater level of stain reduction as indicated by the Modified Lobene Stain Index (MLSI) for the overall tooth surfaces than brushing with a commercial fluoride toothpaste for a period of 2 weeks.
Gender: All
Ages: 18 Years - 65 Years
Updated: 2026-08-11
1 state
NCT07709286
Clinical Efficacy of Antivet Versus Phosphoric Acid and Hydrochloric Acid in Microabrasion
This clinical trial will be conducted to assess the clinical efficacy of using Antivet cleaning enamel solution or hydrochloric acid and phosphoric acid in microabrasion technique for mild to moderate intrinsic stained teeth.
Gender: All
Ages: 16 Years - 50 Years
Updated: 2026-07-16
1 state
NCT07200063
Children Acceptance of AgNP Mouthwash Against Chlorhexidine Mouthwash
This study aims to evaluate and compare the children's acceptance of mouthwash containing silver nanoparticles versus Chlorhexidine.
Gender: All
Ages: 6 Years - 12 Years
Updated: 2025-09-30