Large-scale testing (Phase 3)Study completedNCT06486974What this trial is testingEfficacy of Manual Toothbrushes in Removing Tooth StainsWho this might be right forTooth Discoloration Colgate Palmolive 80
Not applicableUnknownNCT05315518What this trial is testingEffect of Using Shade Blocker Versus Chameleon Effect of Two Single Shade of Resin Composite in Class IV RestorationsWho this might be right forDiscoloration, Tooth Cairo University 22
Not applicableStudy completedNCT04124068What this trial is testingEfficacy of Teeth Whitening Product Offerings in AdultsWho this might be right forTooth Discoloration Glo Science, Inc. 75
Not applicableUnknownNCT03136276What this trial is testingOne Year Clinical Evaluation of IPS Empress CAD Versus Polished Celtra Duo Ceramic Laminate VeneersWho this might be right forTooth DiscolorationTooth FracturesDiastema Cairo University 36
Not applicableStudy completedNCT05984472What this trial is testing3-year Clinical Performance of Prefabricated and Composite VeneersWho this might be right forDental DiseasesTooth Discoloration Ege University 21
Not applicableStudy completedNCT04649645What this trial is testingChanges in Oral Health in Tobacco Cigarettes Smokers After Switching to Combustion-Free Nicotine Delivery SystemsWho this might be right forGingivitisPeriodontal Diseases Eclat Srl. 460
Not applicableStudy completedNCT03688893What this trial is testingEfficacy of Laser Application in Dental BleachingWho this might be right forTooth Discoloration Universidad Nacional de Caaguazu 24
Not applicableStudy completedNCT03380702What this trial is testingInfluence of Tooth Whitening on Changes in Quality of LifeWho this might be right forTooth DiscolorationQuality of Life Daniela Kovacevic Pavicic 70
Not applicableStudy completedNCT02067715What this trial is testingEffectiveness of Sealed In-office Bleaching Technique: Randomized Controlled Clinical TrialWho this might be right forTooth Discoloration Universidade Federal de Sergipe 46
Not applicableStudy completedNCT02151058What this trial is testingA Clinical Trial to Test the Effect of a Marketed Mouth Rinse on Stain RemovalWho this might be right forTooth Stain Johnson & Johnson Consumer and Personal Products Worldwide 227
Not applicableStudy completedNCT03933527What this trial is testingThe Effect of Staining Beverage on Color Alteration During In-office Tooth BleachingWho this might be right forTooth Discoloration Fujian Medical University 63
Not applicableStudy completedNCT02718183What this trial is testingEffect on Periodontal Markers by Bleaching Intracoronal TechniqueWho this might be right forDiscolored Teeth University of Chile 50
Not applicableUnknownNCT05620277What this trial is testingQuantitative Evaluation of the Effect of Dehydration and Rehydration Levels on Tooth ColorWho this might be right forTooth Discoloration Marmara University 30
Early research (Phase 1)Enrolling By InvitationNCT06782087What this trial is testingA Comparative Study Between the Efficacy of Diode Laser and Nano-chitosan Gel on Activation of Non-vital in- Office Bleaching AgentWho this might be right forTooth Discoloration Misr University for Science and Technology 42
Not applicableStudy completedNCT02414464What this trial is testingTooth Bleaching for Young Patients Using a Hydrogen Peroxide-based GelWho this might be right forTooth Discoloration University of Nove de Julho 53
Not applicableUnknownNCT02940717What this trial is testingClinical Evaluation of the Fracture Resistance for E-max Cad and Vita Suprinity Laminate VeneersWho this might be right forTooth Discoloration Cairo University 16
Not applicableStudy completedNCT04515069What this trial is testingSurvival of Hybrid Laminate Veneers Using Two Different Tooth Preparation Techniques:Randomized Clinical TrialWho this might be right forDiscoloration, ToothMalformed ToothDiastema Cairo University 6
Not applicableStudy completedNCT02605239What this trial is testingPhycosocial Impact of Bleaching TeethWho this might be right forTooth Discoloration University of Chile 58
Not applicableStudy completedNCT05569590What this trial is testingEfficacy of Desensitizing Agent,Propolis After an In-office Vital Tooth Bleaching.Who this might be right forPost Operative Pain Dow University of Health Sciences 90
Post-approval studies (Phase 4)Study completedNCT04407910What this trial is testingOffice Bleaching Treatment by Using Rubber-cup and Air-powder Polishing Device Prophylaxis in Rondomised Clinical DesignWho this might be right forTooth DiscolorationColor Changes During Tooth Formation Cukurova University 23