Clinical trials: Discoloration, Tooth
Endodontically Treated Teeth, Tooth Discoloration
Color Dental Alteration Caused by Endodontic Treatment
The color change of endodontically treated teeth is a common concern in clinical practice. The objective of this study will be to evaluate, in vivo, the color change (ΔE00) caused by endodontic treatment.
- Conditions
- Endodontically Treated Teeth, Tooth Discoloration, Root Canal Infection
- Trial name
- NCT03841877
- Testing
- endodontic treatment
- Where
- Brazil
- Volunteers
- healthy volunteers welcome
- Sponsor
- Federal University of Pelotas
Teeth Staining
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…
- Trial name
- NCT07761715
- Testing
- Toothpaste
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Boka LLC
Tooth Discoloration
Clinical Evaluation of Color Stability of Direct Composite Resin Veneers in Vital Anterior Teeth
Assess color stability of direct veneers over an 18-month recall periods
- Trial name
- NCT06510400
- Testing
- OMNICHROMA, Ceram. x spectra
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Tanta University
Tooth Discoloration
Effectiveness of Sealed In-office Bleaching Technique: Randomized Controlled Clinical Trial
Thus, the aim of this study is to evaluate the sealed bleaching technique on tooth sensitivity and bleaching efficacy. The hypothesis is that the sealed bleaching technique reduce the tooth sensitivity when compared to…
- Trial name
- NCT02067715
- Testing
- Tooth bleaching
- Where
- Brazil
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- Universidade Federal de Sergipe
Tooth Discoloration
Efficacy of a 6% Hydrogen Peroxide Tooth Bleaching Agent
The present study investigates whether it is possible to achieve equally satisfactory results between 37.5% hydrogen peroxide gel and 6% gel for teeth bleaching.
- Trial name
- NCT03217994
- Testing
- gel HP
- Where
- Chile
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- University of Chile
Discoloration, Tooth, Malformed Tooth
Survival of Hybrid Laminate Veneers Using Two Different Tooth Preparation Techniques:Randomized Clinical Trial
The aim of this study was to evaluate the survival of laminate veneers constructed using a recent polymer-infiltrated ceramic network material following the aesthetic pre-evaluative temporary (APT) technique of tooth preparation…
- Conditions
- Discoloration, Tooth, Malformed Tooth, Diastema
- Trial name
- NCT04515069
- Testing
- traditional technique of tooth preparation, aesthetic preevaluative temporary technique for tooth preparation
- Where
- Egypt
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- Cairo University
Tooth Discoloration
The Effect of Staining Beverage on Color Alteration During In-office Tooth Bleaching
This double-blind randomized controlled clinical trial aimed to investigate the effect of staining beverage on color alteration of in-office tooth bleaching procedures.
- Trial name
- NCT03933527
- Testing
- making staining beverage rinse during in-office tooth bleaching
- Where
- China
- Volunteers
- 63 people, healthy volunteers welcome
- Sponsor
- Fujian Medical University
Gingivitis, Healthy Adult
Comparative Evaluation of the Anti-Plaque and Anti-Gingivitis Effects of Nanobiofusion Gingival Gel (NBF), Placebo Gel, and Commercial Toothpaste
The goal of this clinical trial is to learn if Nanibiofusion Gingival Gel (NBF) is able to reduce dental plaque and gum inflammation in adults.
- Trial name
- NCT07850232
- Testing
- Nano Bio-Fusion (NBF) Gingival Gel, Commercial fluoride toothpaste
- Where
- Jordan
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- King Abdullah University Hospital
Discoloration, Tooth
In Vivo Assessment of Natural Tooth Color After Orthognathic Surgery. A Pilot Controlled Clinical Trial
In six consecutive patients planned to receive combined orthodontic-orthognathic surgery natural tooth color on 8 incisors was measured before initiation of the combined treatment (Time Point 1- baseline) and after its completion…
- Trial name
- NCT03657498
- Testing
- Combined orthodontic-orthognathic treatment, Standard orthodontic treatment
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Aristotle University Of Thessaloniki
Discolored Teeth
Clinical Evaluation of Fracture Resistance and Color Changes of Laminate Veneer With Gull Wing Preparation
Patient with discolored anterior teeth and need conservative restoration treated with all ceramic esthetic laminate veneers. The Patient will be satisfied with restoration mimic the surrounding natural teeth, but conventional…
- Trial name
- NCT03321474
- Testing
- modified gull wing preparation
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Cairo University
Tooth Discoloration, Tooth Wear
Evaluation of 2-year Clinical Performance of Two Different Single Color Universal Composite Resin Restorative Materials.
Dentists have recently preferred to use composite materials and restorative techniques that allow the use of simplified clinical protocols in order to reduce the time the patient spends in the dentist's chair and minimize…
- Trial name
- NCT06125132
- Testing
- Restoration with-tooth colored material
- Where
- Turkey (Türkiye)
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Baskent University
Tooth Discoloration
Quantitative Evaluation of the Effect of Dehydration and Rehydration Levels on Tooth Color
This study aims to evaluate the dehydration and rehydration changes in teeth over time and the quantitative effect of these changes on natural tooth color in the clinic.
- Trial name
- NCT05620277
- Testing
- Mobile Dental Photography, Mobile Dental Photography with cross-polarization filter, Mobile Dental Photography with gray reference card
- Where
- Turkey (Türkiye)
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Marmara University
Veneer, Composite Restorations
Clinical Evaluation of Prefabricated Versus 3D-Printed Composite Resin Veneers: in Vivo Study
The purpose of this study is to clinically evaluate prefabricated versus 3D-printed composite resin veneers
- Conditions
- Veneer, Composite Restorations, Teeth Color, Teeth Staining
- Trial name
- NCT07691658
- Testing
- Prefabricated Composite Resin Veneers, 3D-Printed Composite Resin Veneers
- Where
- Egypt
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Tanta University
Tooth Discoloration, Hypersensitivity
Composite Repair Using Silane Coupling Agent
Evaluation the influence of the use of silane coupling agent application as a separate step versus application of silane or acid resistance silane containing adhesives on the clinical performance of repaired posterior resin…
- Conditions
- Tooth Discoloration, Hypersensitivity, Tooth Fracture, Dental Restoration Failure of Marginal Integrity
- Trial name
- NCT06392685
- Testing
- Silane coupling agent, Adhesive containing silane.(Intervention 1 ), Acid resistance silane containing adhesive.(Intervention 2)
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Cairo University
Tooth Discoloration
The Effect of Whitening Toothpaste on Tooth Color Associated With Bleaching Process
This double-blind randomized controlled clinical trial aimed to investigate the effect of whitening dentifrices on the clinical efficiency of in-office tooth bleaching procedures.
- Trial name
- NCT03163069
- Testing
- in-office bleaching with the conventional whitening dentifrice, in-office bleaching with the whitening dentifrice containing blue covarine, in-office bleaching with the regular dentifrice
- Where
- China
- Volunteers
- 63 people, healthy volunteers welcome
- Sponsor
- Fujian Medical University
Tooth Discoloration
Efficacy of Manual Toothbrushes in Removing Tooth Stains
Efficacy of Manual Toothbrushes in Removing Tooth Stains: A 6-Week Clinical Research Study.
- Trial name
- NCT06486974
- Testing
- NaF, Na MFP
- Where
- Dominican Republic
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Colgate Palmolive
Tooth Bleaching
Efficacy of Two Sonic Toothbrushes in Reducing Extrinsic Tooth Stain
The objective of the present study was to compare the effects of reduction of extrinsic stains between 2 commercially available Oclean sonic toothbrushes in comparison with an Oral-B manual toothbrush.
- Trial name
- NCT05202093
- Testing
- the Oclean Digital Visual toothbrush (2.16 N·cm torque), Oral B manual toothbrush, the Oclean Sonic Electric toothbrush (1.96 N·cm torque)
- Where
- China
- Volunteers
- 129 people, healthy volunteers welcome
- Sponsor
- Sun Yat-sen University
Tooth Discoloration, Dentin Sensitivity
Efficacy and Safety Assessment of Experimental Bleaching Agents
Tooth bleaching is widely used to treat the colors of teeth. This study compares the efficiency of two experimental bleaching gels, with and without nanoparticles, and with and without light activation versus two commercial…
- Conditions
- Tooth Discoloration, Dentin Sensitivity, Patient Satisfaction
- Trial name
- NCT06802614
- Testing
- BLEACHING GEL A, 5% NF_TiO2, BLEACHING GEL B
- Where
- United States
- Volunteers
- 240 people, healthy volunteers welcome
- Sponsor
- University of Oklahoma
Healthy Volunteers, Discoloration of Teeth
Evaluation of Tooth Sensitivity and Whitening Effects of Different Content Teeth Whitening Agents
The goal of this clinical study is to evaluate the success of different whitening agents in whitening teeth in healthy volunteers aged 18-50. Also, patients' tooth sensitivity will be assessed after application.
- Conditions
- Healthy Volunteers, Discoloration of Teeth, Bleaching Sensitivity
- Trial name
- NCT06855940
- Testing
- Bleaching Agents
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Betül Tokat
Discoloration of Teeth
Determination of a Threshold for Mouth Rinse Induced Discoloration of Teeth
The purpose of this study is to daily monitor the discoloration of teeth when participants rinse with a mouth rinse and black tea and to determine the time point when unacceptable discoloration occurs.
- Trial name
- NCT01382914
- Testing
- chlorhexidine 0.12%
- Where
- Germany
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Technische Universität Dresden