Not applicableStudy completedNCT07428603What this trial is testingExtrinsic Tooth Whitening Evaluation of a Whitening ToothpasteWho this might be right forStain Removal Efficacy Church & Dwight Company, Inc. 118
Not applicableStudy completedNCT03140436What this trial is testingClinical Comparison of the Stain Removal Efficacy of Two Air Polishing PowdersWho this might be right forStain Removal Efficacy Mahidol University 35
Large-scale testing (Phase 3)Study completedNCT07276672What this trial is testingEfficacy of a Toothpaste Containing Hydrogen Peroxide as Compared to a Regular Fluoride Toothpaste Without Hydrogen Peroxide in the Immediate Removal of Tooth Stains After a Single Brushing.Who this might be right forWhitening Colgate Palmolive 80
Not applicableUnknownNCT05619315What this trial is testingEnamel Abrasion and Stain Removal EfficacyWho this might be right forAbrasionDiscoloration, Tooth Cairo University 38
Not applicableActive Not RecruitingNCT07219342What this trial is testingThe 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.Who this might be right forTeeth Staining Boka LLC 109
Not applicableStudy completedNCT05459558What this trial is testingClinical Study to Investigate the Tooth Stain Removal Efficacy of Two Experimental Toothpastes Compared to a Standard Toothpaste When Used Twice Daily for 8 WeeksWho this might be right forOral Hygiene HALEON 280
Not applicableUnknownNCT05650840What this trial is testingEnamel Abrasion and Stain Removal Efficacy of Two Whitening Toothpastes: An In-vitro and In-vivo TrialWho this might be right forTooth Abrasion Cairo University 38
Large-scale testing (Phase 3)Study completedNCT06242769What this trial is testingClinical Research Study to Evaluate the Stain Removal EfficacyWho this might be right forTooth Stain Removal Colgate Palmolive 80