Clinical trials: Discoloration of Teeth
Dental Caries, Tooth Discoloration
Color Stability of Darkly Discolored Arrested Caries Lesions Following Bleaching Treatment
This observational study evaluated the color stability of darkly discolored arrested caries lesions (DDACL) on anterior teeth following in-office bleaching with 40% hydrogen peroxide, in comparison with healthy teeth.
- Trial name
- NCT07886255
- Where
- Turkey (Türkiye)
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Selcuk University
Tooth Discoloration
Impact of Dietary Counseling on Efficacy of Tooth Bleaching
The aim of this study will be to evaluate if subjects submitted to a white diet counseling during home dental bleaching will present better results than subjects that maintained their usual diets.
- Trial name
- NCT03528356
- Testing
- Regular diet
- Where
- Brazil
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Federal University of Pelotas
Tooth Discoloration
Efficacy of Teeth Whitening Product Offerings in Adults
This is a 30 day randomized, parallel comparative trial where participants with tooth shade of C2 or darker will be assigned to one of five groups.
- Trial name
- NCT04124068
- Testing
- Hydrogen peroxide teeth whitening gel, GLO Brilliant Teeth Whitening Device, GLO Lit Teeth Whitening Device
- Where
- United States
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Glo Science, Inc.
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
Tooth Stain Removal
Clinical Research Study to Evaluate the Stain Removal Efficacy
The objective of this clinical research study is to evaluate the stain removal efficacy of a toothpaste containing stannous fluoride as compared to negative control toothpaste in adults.
- Trial name
- NCT06242769
- Testing
- Stannous Fluoride Toothpaste (SnF), Colgate Fluoride Toothpaste (CDC)
- Where
- Puerto Rico
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Colgate Palmolive
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
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
Discoloration, Tooth
Effect of Glutathione vs KI in Reducing SDF Staining When Used in Treatment of Primary Carious Teeth
Although black staining is considered a drawback that is clinically observed following SDF application and is the main primary barrier for its use clinically .
- Trial name
- NCT04816487
- Testing
- Potassium Iodide or Glutathione
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Cairo University
Black Staining
Comparison of Erythritol Air-Polishing and Conventional Polishing Following Ultrasonic Scaling on the Relapse of Chromogenic Tooth Staining in Children
The goal of this randomized clinical trial is to compare the effect of erythritol air-polishing and conventional polishing following ultrasonic scaling on the relapse of chromogenic tooth staining in children aged 4-13 years…
- Trial name
- NCT07730658
- Testing
- Guided Biofilm Therapy with erythritol, Conventional Polishing
- Where
- Turkey (Türkiye)
- Volunteers
- 56 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
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
Endodontically Treated Teeth, Root Canal Infection
Tooth Crown Discoloration 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, Root Canal Infection, Tooth Discoloration
- Trial name
- NCT03841370
- Testing
- endodontic treatment
- Where
- Brazil
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Federal University of Pelotas
Tooth Discoloration, Color Changes During Tooth Formation
Office Bleaching Treatment by Using Rubber-cup and Air-powder Polishing Device Prophylaxis in Rondomised Clinical Design
The increasing demand for whitening teeth necessitates requirements and guidelines to ensure the efficacy of products and bleaching techniques.
- Trial name
- NCT04407910
- Testing
- AIRFLOW® Master device +Opalescence Xtra Boost., rubber-cup+Opalescence Xtra Boost.
- Where
- Turkey (Türkiye)
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- Cukurova University
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
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
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
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
Abrasion, Discoloration, Tooth
Enamel Abrasion and Stain Removal Efficacy
Enamel abrasion and stain removal efficacy of two whitening toothpastes
- Trial name
- NCT05619315
- Testing
- Charcoal -based whitening toothpaste, Calcium carbonate /perlite containing whitening toothpaste.
- Volunteers
- 38 people, healthy volunteers welcome
- Sponsor
- Cairo University
Tooth Discoloration
Marginal Fit of Porcelain Veneers After Finishing Prepared Surfaces With Ultrasonic Tips
The aim of the study is to assess the marginal fit following preparation finishing with ultrasonic tips of porcelain veneers compared to the ordinary preparation using burs only.
- Trial name
- NCT02683499
- Testing
- Ultrasonic tips
- Where
- Syria
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Damascus University
Discolored Teeth
In-office and At-home Tooth Bleaching Using Low Concentration Peroxides.
To evaluate the efficacy, safety and impact on quality of life related to oral health of home and office tooth whitening techniques in young individuals.
- Trial name
- NCT02816593
- Testing
- hydrogen peroxide 6%, hydrogen peroxide 15%, Carbamide Peroxide 10%
- Where
- Brazil
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Federal University of Minas Gerais