Tooth Discoloration: all 107 studies
Page 1 of 2. Open to participants first (19), then studies with results posted, then the rest; newest registration first within each.
- Comparative Evaluation of the Anti-Plaque and Anti-Gingivitis Effects of Nanobiofusion Gingival Gel (NBF), Placebo Gel, and Commercial ToothpasteNot yet recruitingNCT07850232Not applicable
- A Study to Assess the Efficacy of an Experimental Mouthwash Used With a Marketed Whitening Toothpaste on Stain Build-upRecruitingNCT07836998Not applicable
- Peroxide Versus Non-Peroxide In-Office Tooth BleachingRecruitingNCT07818031Not applicable
- Effect of Prophylaxis Pastes With and Without Desensitizing Agents Prior to In-office BleachingNot yet recruitingNCT07770373Not applicable
- Comparison of Erythritol Air-Polishing and Conventional Polishing Following Ultrasonic Scaling on the Relapse of Chromogenic Tooth Staining in ChildrenNot yet recruitingNCT07730658Not applicable
- Clinical Efficacy of Antivet Versus Phosphoric Acid and Hydrochloric Acid in MicroabrasionRecruitingNCT07709286Phase 1
- Oil Pulling Whitening MouthwashRecruitingNCT07667088Not applicable
- Effectiveness of Dental Bleaching Using Different Designs of 3D-Printed and Conventional Customized NightguardsRecruitingNCT07464197Not applicable
- Children Acceptance of AgNP Mouthwash Against Chlorhexidine 0.12% and Chlorhexidine .2% MouthwashsNot yet recruitingNCT07200063Not applicable
- 16% Carbamide Peroxide Home Bleaching: Soft vs. Rigid Tray in a Randomized Blinded Equivalence TrialEnrolling by invitationNCT06881654Not applicable
- Efficacy and Safety Assessment of Experimental Bleaching AgentsNot yet recruitingNCT06802614Not applicable
- Comparison of Color Measurements of Postgraduate Dental Students Using Different Color Determination MethodsEnrolling by invitationNCT06791694
- A Comparative Study Between the Efficacy of Diode Laser and Nano-chitosan Gel on Activation of Non-vital in- Office Bleaching AgentEnrolling by invitationNCT06782087Phase 1
- Bleaching Effect of Solo and Combined Kiwi Extract and Ozone and Their Impact on EnamelNot yet recruitingNCT06582069Not applicable
- Effects of Bio-active Desensitizer on Reduction of Tooth Sensitivity Caused by In-office Bleaching.RecruitingNCT06532526Not applicable
- Prevalence of Teeth Discoloration , Associated Risk Factors and the Most Common Shade Among Group of Egyptian PopulationNot yet recruitingNCT06515561
- Dental Dyschromia and Quality of Life in Early Prolonged HyperbilirubinemiaRecruitingNCT06506734
- Composite Repair Using Silane Coupling AgentNot yet recruitingNCT06392685Not applicable
- Dental Photography and Numeric Shade Quantification as a Substitute to Conventional and Instrumental Shade Matching Techniques in the Esthetic ZoneRecruitingNCT04817579Not applicable
- Clinical Study to Investigate the Tooth Stain Removal Efficacy of Two Experimental Toothpastes Compared to a Standard Toothpaste When Used Twice Daily for 8 WeeksCompletedNCT05459558Not applicableResults posted
- A Clinical Trial to Test the Effect of a Marketed Mouth Rinse on Stain RemovalCompletedNCT02151058Not applicableResults posted
- An Efficacy Study of Stain Control of a 67% Sodium Bicarbonate Containing Toothpaste on Chlorhexidine Tooth StainingCompletedNCT01962493Phase 4Results posted
- Color Stability of Darkly Discolored Arrested Caries Lesions Following Bleaching TreatmentCompletedNCT07886255
- 450 nm Blue Diode Laser Versus Blue LED for In-Office Tooth BleachingCompletedNCT07870317Not applicable
- Clinical Research Study to Evaluate Stain Removal and Whitening ImprovementCompletedNCT07870018Phase 2
- TOOTH DİSCOLORATİON AFTER ROOT CANAL TREATMENT WİTH AH PLUS AND BİOROOT RCSCompletedNCT07849296Not applicable
- Guided Biofilm Therapy Versus Conventional Polishing for Tooth Re-StainingCompletedNCT07799558Not applicable
- Clinical Evaluation of Discoloration Induced by Root Canal Treatment in Vital and Devital TeethActive, not recruitingNCT07781969
- 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.CompletedNCT07761715Not applicable
- Clinical Evaluation of Prefabricated Versus 3D-Printed Composite Resin Veneers: in Vivo StudyActive, not recruitingNCT07691658Not applicable
- Management of Dentinal Hypersensitivity Using Two Dentifrice TechnologiesCompletedNCT07511530Not applicable
- Comparison of Two Minimally Invasive Approaches for Masking Molar-Incisor Hypomineralization OpacitiesCompletedNCT07494682Not applicable
- A Comparative Clinical Study Assessing Dentin Thickness and Discoloration in Deep Carious Lesions Treated With Biodentine Alone Versus Diode Laser Pre-treatment Followed by BiodentineActive, not recruitingNCT07358442Not applicable
- 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.CompletedNCT07219342Not applicable
- 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 ControlCompletedNCT07214038Not applicable
- Clinical Efficacy of Novel Titanium Oxide Nanoparticle Enriched Bleaching GelCompletedNCT06904118Not applicable
- Periapical Bleeding Versus PRF Techniques in Regenerative Endodontic Therapy: A Randomized Controlled TrialCompletedNCT06886438Not applicable
- Evaluation of Tooth Sensitivity and Whitening Effects of Different Content Teeth Whitening AgentsActive, not recruitingNCT06855940Not applicable
- Bleaching Procedures Performed During Treatment With Brackets and Clear AlignersCompletedNCT06716827Not applicable
- Clinical Efficacy of In-office Bleaching With Different Concentrations of Hydrogen PeroxideCompletedNCT06700434Not applicable
- Er,Cr:YSGG Laser Bleaching on Tooth Color and SensitivityCompletedNCT06666920Not applicable
- Evaluation of Template Assisted Monochromatic Structural Colored Versus Universal Multi-Shade Direct Composite VeneersCompletedNCT06543654Not applicable
- Clinical Evaluation of Color Stability of Direct Composite Resin Veneers in Vital Anterior TeethCompletedNCT06510400Not applicable
- Efficacy of Manual Toothbrushes in Removing Tooth StainsCompletedNCT06486974Phase 3
- Clinical Evaluation of Single Versus Multi-Shade Direct Composite Resin VeneersCompletedNCT06404398Not applicable
- The Effect of Different Types of Resin Cements on the Color Stability of Two Different Types of Ceramic VeneersCompletedNCT06368869Not applicable
- Clinical Research Study to Evaluate the Stain Removal EfficacyCompletedNCT06242769Phase 3
- Evaluation of 2-year Clinical Performance of Two Different Single Color Universal Composite Resin Restorative Materials.Active, not recruitingNCT06125132Not applicable
- 6-year Clinical Performance of Prefabricated and Composite Veneers ( Componeer)CompletedNCT05998980Not applicable
- 3-year Clinical Performance of Prefabricated and Composite VeneersCompletedNCT05984472Not applicable
- Impression & Prosthesis Quality Made From Different Polyvinylsiloxane Impression TechniquesCompletedNCT05938400Not applicable
- At-home Bleaching Using Clear RetainersCompletedNCT05835453Not applicable
- Influence of Polishing After Bleaching on Color Change and Enamel MorphologyCompletedNCT05635253Not applicable
- Quantitative Evaluation of the Effect of Dehydration and Rehydration Levels on Tooth ColorStatus unknownNCT05620277Not applicable
- Enamel Abrasion and Stain Removal EfficacyStatus unknownNCT05619315Not applicable
- Clinical Assessment of Injectable Flowable Composite with Giomer Technology Vs High Viscosity Glass Ionomer Restorations in ART for Cancer PatientsCompletedNCT05465369Phase 3
- Impact of a Newly Formulated Toothpaste in Tooth Staining Associated With Chlorhexidine RinsesCompletedNCT05354986Not applicable
- Effect of Using Shade Blocker Versus Chameleon Effect of Two Single Shade of Resin Composite in Class IV RestorationsStatus unknownNCT05315518Not applicable
- Etiology of Black Tooth Stain in ChildrenCompletedNCT05249491
- Evaluation of Two Different Toothpastes for Clinical Management of Extrinsic Stains.CompletedNCT04904978Not applicable
- Clinical Outcomes of Bonded Monolithic Translucent Zirconia Crowns Using Two Different Compositions of Self-adhesive Resin CementsStatus unknownNCT04875468Not applicable
- Effect of Preparation Design on the Functional and Esthetic Outcome of CAD/CAM Lithium Disilicate Laminate VeneersStatus unknownNCT04840524Not applicable
- Effect of Glutathione vs KI in Reducing SDF Staining When Used in Treatment of Primary Carious TeethStatus unknownNCT04816487Not applicable
- Changes in Oral Health in Tobacco Cigarettes Smokers After Switching to Combustion-Free Nicotine Delivery SystemsCompletedNCT04649645Not applicable
- Clinical Comparison of LED- and Diode Laser-activated BleachingCompletedNCT04537754Not applicable
- Survival of Hybrid Laminate Veneers Using Two Different Tooth Preparation Techniques:Randomized Clinical TrialCompletedNCT04515069Not applicable
- Office Bleaching Treatment by Using Rubber-cup and Air-powder Polishing Device Prophylaxis in Rondomised Clinical DesignCompletedNCT04407910Phase 4
- Tooth Discoloration Induced by Pulpotomy MaterialsActive, not recruitingNCT04346849Not applicable
- Evaluation of the Color Change of the Laser and Chemical Vital Whitening Method in the TeethCompletedNCT04305483Not applicable
- Efficacy of Teeth Whitening Product Offerings in AdultsCompletedNCT04124068Not applicable
- Efficacy of CPP-ACP on Bleaching Related SensitivityCompletedNCT04112706Not applicable
- Safety and Efficacy of the ToothWave Powered Toothbrush for Extrinsic Stain Reduction (Texas)CompletedNCT04092062Not applicable
- Self-selection Study of the Toothwave ToothbrushCompletedNCT04023097Not applicable
- The Effect of Staining Beverage on Color Alteration During In-office Tooth BleachingCompletedNCT03933527Not applicable
- Safety and Efficacy of the ToothWave Power Toothbrush for Extrinsic Stain ReductionCompletedNCT03885609Not applicable
- Color Dental Alteration Caused by Endodontic TreatmentWithdrawnNCT03841877Not applicable
- Tooth Crown Discoloration Caused by Endodontic TreatmentCompletedNCT03841370
- Clinical Performance of Ceramic Laminate Veneers Made With Celtra Duo Press and IPS e.Max Press CeramicCompletedNCT03713970Not applicable
- Efficacy of Laser Application in Dental BleachingCompletedNCT03688893Not applicable
- In Vivo Assessment of Natural Tooth Color After Orthognathic Surgery. A Pilot Controlled Clinical TrialCompletedNCT03657498Not applicable
- Copmere Between Bleaching and Laminate VeneersStatus unknownNCT03621163Not applicable
- Impact of Dietary Counseling on Efficacy of Tooth BleachingStatus unknownNCT03528356Not applicable
- Combined Dental Bleaching Protocols and Time Required to Achieve Satisfactory ColorCompletedNCT03514797Phase 4
- aPDT for the Remediation of Dental Black StainCompletedNCT03483376Not applicable
- Influence of Tooth Whitening on Changes in Quality of LifeCompletedNCT03380702Not applicable
- Clinical Evaluation of Fracture Resistance and Color Changes of Laminate Veneer With Gull Wing PreparationStatus unknownNCT03321474Not applicable
- Phototherapy Remediation of Black StainCompletedNCT03309748Not applicable
- Efficacy of a 6% Hydrogen Peroxide Tooth Bleaching AgentCompletedNCT03217994Not applicable
- The Effect of Whitening Toothpaste on Tooth Color Associated With Bleaching ProcessCompletedNCT03163069Phase 4
- One Year Clinical Evaluation of IPS Empress CAD Versus Polished Celtra Duo Ceramic Laminate VeneersStatus unknownNCT03136276Not applicable
- Patient Satisfaction of Glazed IPS Empress CAD Versus Glazed Celtra Duo Ceramic Laminate VeneersStatus unknownNCT03129711Not applicable
- One Year Clinical Evaluation of E-max CAD and Lava Ultimate Laminate VeneersStatus unknownNCT03086928Not applicable
- Color Stability of E.Max CAD Laminate Veneers Cemented With Light Cure Versus Dual Cure Amine Free Adhesive Resin CementStatus unknownNCT02943395Not applicable
- Clinical Evaluation of the Fracture Resistance for E-max Cad and Vita Suprinity Laminate VeneersStatus unknownNCT02940717Not applicable
- Evaluating the Efficacy of a Gum Health Formulation on Teeth Whitening in Patients With Gingivitis and PeriodontitisCompletedNCT02906982Not applicable
- In-office and At-home Tooth Bleaching Using Low Concentration Peroxides.CompletedNCT02816593Not applicable
- Efficacy of a Whitening Dentifrice on Tooth DiscolorationCompletedNCT02741427Phase 4
- Effect on Periodontal Markers by Bleaching Intracoronal TechniqueCompletedNCT02718183Not applicable
- Marginal Fit of Porcelain Veneers After Finishing Prepared Surfaces With Ultrasonic TipsCompletedNCT02683499Not applicable
- Combination of Dental Bleaching Techniques, Randomized Clinical TrialCompletedNCT02682329Phase 4