Clinical trials: Discoloured Teeth
Tooth Whitening, Tooth Discoloration
Clinical Research Study to Evaluate Stain Removal and Whitening Improvement
The objective of this clinical research study is to evaluate the stain removal and whitening improvement of a toothpaste containing Vitamin C and 1100 ppm F as sodium fluoride as compared to a matching placebo toothpaste…
- Trial name
- NCT07870018
- Testing
- Vitamin C toothpaste
- Where
- United States
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Colgate Palmolive
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
Tooth Discoloration
A Comparative Study Between the Efficacy of Diode Laser and Nano-chitosan Gel on Activation of Non-vital in- Office Bleaching Agent
The growing demand for white smile between patients has increased over recent years, the development of techniques and improvement of materials permits searching for beautiful natural smile.
- Trial name
- NCT06782087
- Testing
- nano chitosan
- Where
- Egypt
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Misr University for Science and Technology
Molar Incisor Hypomineralization, Enamel Hypoplasia
Resin Infiltration Treatment for MIH
The investigators aimed to evaluate changes in mineralisation degree, colour, and size of the lesion after Icon® in permanent teeth with MIH in 6 months.
- Conditions
- Molar Incisor Hypomineralization, Enamel Hypoplasia, Enamel Caries, Anterior Teeth
- Trial name
- NCT04685889
- Testing
- Resin infiltration
- Where
- Turkey (Türkiye)
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Tokat Gaziosmanpasa University
Tooth Discoloration, Tooth Sensitivity
Clinical Efficacy of Novel Titanium Oxide Nanoparticle Enriched Bleaching Gel
The goal of this clinical trial is to learn the effect of Nano-fortified Bleaching on whitening and sensitivity of teeth.The main questions it aims to answer are: Does Nano-fortified Bleaching gel is more effective in enhancing…
- Trial name
- NCT06904118
- Testing
- Nano-reinforced Novel Hydrogen peroxide gel, Conventional Hydrogen peroxide gel without nanoparicles
- Where
- Pakistan
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Pakistan Institute of Medical Sciences
Tooth Discoloration
Combined Dental Bleaching Protocols and Time Required to Achieve Satisfactory Color
This parallel, randomized, and controlled clinical trial will assess the effect of a single prior session of in-office dental bleaching on time required to achieve satisfactory tooth color with at-home bleaching.
- Trial name
- NCT03514797
- Testing
- Bleaching Agents
- Where
- Brazil
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- André Luis Faria e Silva
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
Dental Deposits, Tooth Discoloration
Phototherapy Remediation of Black Stain
This study investigates the remediation of black-stained tooth surfaces using antimicrobial photodynamic therapy. In this crossover trial, a cohort of patients received standard dental prophylactic cleaning to remove the black…
- Conditions
- Dental Deposits, Tooth Discoloration, Dental Prophylaxis
- Trial name
- NCT03309748
- Testing
- Dental prophylaxis, Dental prophylaxis + antimicrobial photodynamic therapy
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- Cardenal Herrera University
Dentin Hypersensitivity, Tooth Discoloration
Management of Dentinal Hypersensitivity Using Two Dentifrice Technologies
This study evaluates the effectiveness of Scigates foam mouth sanitizer 2 in 1 toothpaste and mouthwash in reducing tooth sensitivity and improving tooth whitening compared to Lacalut® White \& Repair toothpaste.
- Trial name
- NCT07511530
- Testing
- Scigates Foam Mouth Sanitizer 2 in 1 Toothpaste and Mouthwash, Lacalut White and Repair Toothpaste
- Where
- Jordan
- Volunteers
- 57 people, healthy volunteers welcome
- Sponsor
- Prof. Mayyas Al-Remawi
Tooth Discoloration
Efficacy of Laser Application in Dental Bleaching
Objective: To establish the efficacy of laser application with chemical treatment in dental bleaching compared to chemical treatment alone.
- Trial name
- NCT03688893
- Testing
- Laser Application for Dental Bleaching
- Where
- Paraguay
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Universidad Nacional de Caaguazu
Discoloration, Tooth
Effect of Using Shade Blocker Versus Chameleon Effect of Two Single Shade of Resin Composite in Class IV Restorations
Aim of this study will be conducted to compare the shade matching and clinical performance of shade blocker versus chameleon effect of two single-shade of universal resin composite in class IV restorations over 1 year evaluation…
- Trial name
- NCT05315518
- Testing
- single-shade universal resin composite (omnichroma) with blocker( omnichroma blocker)
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Cairo University
Tooth Discoloration
Comparison of Color Measurements of Postgraduate Dental Students Using Different Color Determination Methods
This study evaluates the accuracy of tooth color identification skills in the anterior region using a new technique, the button technique, in comparison with other methods.
- Trial name
- Color (NCT06791694)
- Testing
- Resins, Composite
- Where
- Turkey (Türkiye)
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Hacettepe University
Tooth Discoloration
Tooth Bleaching for Young Patients Using a Hydrogen Peroxide-based Gel
The aim of the present study was to evaluate colorimetric changes and tooth sensitivity in young patients submitted to tooth bleaching with 20% and 35% hydrogen peroxide.
- Trial name
- NCT02414464
- Testing
- 35% hydrogen peroxide, 20% hydrogen peroxide
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- University of Nove de Julho
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
Dental Caries in Children
Discoloration of Carious Primary Teeth After Application of Silver Diamine Fluoride Versus Sodium Fluoride Varnish
To assess discoloration of carious primary teeth after application of silver diamine fluoride versus sodium fluoride varnish.
- Trial name
- NCT03557996
- Testing
- Silver Diamine Fluoride, Sodium Fluoride Varnish
- Where
- Egypt
- Volunteers
- 42 people, healthy volunteers welcome
- Sponsor
- Cairo University
Endodontically Treated Teeth, Missing Teeth
Impression & Prosthesis Quality Made From Different Polyvinylsiloxane Impression Techniques
This randomized controlled trial is to clinically assess and compare impression quality of polyvinylsiloxane impression material using one step (experimental) and two step (control) impression techniques and its effect on…
- Conditions
- Endodontically Treated Teeth, Missing Teeth, Discoloration, Tooth, Prosthesis Failure, Dental
- Trial name
- NCT05938400
- Testing
- Polyvinylsiloxane impression with different techniques
- Where
- Pakistan
- Volunteers
- 62 people, healthy volunteers welcome
- Sponsor
- Dow University of Health Sciences
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
Tooth Discoloration, Quality of Life
Influence of Tooth Whitening on Changes in Quality of Life
Lighter tooth color may improve patient satisfaction with facial aesthetics. Few data exist regarding the impact and association of of tooth color connection with quality of life.The purpose of this research is to explore the…
- Trial name
- NCT03380702
- Testing
- whitening photoactivation gel
- Where
- Croatia
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Daniela Kovacevic Pavicic
Tooth Stain
Combination of Dental Bleaching Techniques, Randomized Clinical Trial
To determine the effectiveness of combining different concentrations of hydrogen peroxide and carbamide used during tooth bleaching.
- Trial name
- NCT02682329
- Testing
- Hydrogen Peroxide and Carbamide Peroxide, Hydrogen Peroxide and Hydrogen Peroxide
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Universidad Iberoamericana
Discoloration, Tooth
One Year Clinical Evaluation of E-max CAD and Lava Ultimate Laminate Veneers
Restoration of anterior teeth using conservative approach allows clinicians to provide porcelain laminate veneers with excellent esthetics without extensive tooth structure removal.
- Trial name
- NCT03086928
- Testing
- lava ultimate, E.max cad
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Cairo University