Clinical trials: Discoloration of Teeth
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
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
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
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
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
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
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
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
Effects of Bio-active Desensitizer on Reduction of Tooth Sensitivity Caused by In-office Bleaching.
The main aim of this randomized controlled clinical trial is to evaluate the efficacy of a bioactive glass desensitizer in reducing tooth sensitivity associated with in-office vital tooth bleaching.
- Trial name
- NCT06532526
- Testing
- Predicta® Bioactive Desensitizer (PBD, PARKELL, EDGEWOOD, NY, USA), Gel with 1.23% sodium fluoride (EAZIGEL, VERICOM CO., LTD. SOUTH KOREA)
- Where
- Jordan
- Volunteers
- 51 people, healthy volunteers welcome
- Sponsor
- King Abdullah University Hospital
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
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
Tooth Discoloration Induced by Pulpotomy Materials
Vital pulp therapy including pulpotomy is commonly used for managing teeth with carious pulp exposure instead of performing root canal therapy.
- Trial name
- NCT04346849
- Testing
- Pulpotomy
- Where
- 2 sites in Jordan
- Volunteers
- 107 people, healthy volunteers welcome
- Sponsor
- Jordan University of Science and Technology
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 Stain
A Clinical Trial to Test the Effect of a Marketed Mouth Rinse on Stain Removal
The whitening action of an investigative hydrogen peroxide/sodium fluoride containing mouth rinse will be evaluated through stain removal using mean Lobene Stain Index over 14 days compared to a currently marketed hydrogen…
- Trial name
- NCT02151058
- Testing
- Colgate® Regular Cavity Protection, Experimental Mouth Rinse, Crest® 3D White Multi-Care Whitening Rinse, Glamorous White, Fresh Mint
- Where
- United States
- Volunteers
- 227 people, healthy volunteers welcome
- Sponsor
- Johnson & Johnson Consumer and Personal Products Worldwide
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
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.
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
Dental Disorders Hard Tissues of Teeth, Tooth Discoloration
Effect of Preparation Design on the Functional and Esthetic Outcome of CAD/CAM Lithium Disilicate Laminate Veneers
Conservatism is considered the main concern in any treatment plan, the feather edge preparation design of laminate veneers have been introduced yet clinical studies are lacking to evaluate their clinical performance.The aim of…
- Trial name
- NCT04840524
- Testing
- Laminate veneers preparation
- Where
- Egypt
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Cairo University
Dental Pellicle
A Pilot Drug Trial That Evaluates the Whitening Potential of Nicotine Gum
The purpose of this research study is to evaluate the effects on existing tooth stain of nicotine gum. The study will enroll adults who have visible tooth staining.
- Trial name
- NCT00174499
- Testing
- 2 mg nicotine gum, 4 mg nicotine gum
- Volunteers
- 78 people, healthy volunteers welcome
- Sponsor
- McNeil AB