Clinical trials: Teeth Color
Esthetics, Dental
Evaluation of Dental Bleaching In-office
We aim to evaluate colorimetric changes after supervised whitening treatment, using Violet LED light associated or not with carbamide peroxide 35% gel.
- Trial name
- Bleaching (NCT03192852)
- Testing
- dental bleaching, Gingivoplasty
- Where
- Brazil
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- University of Nove de Julho
Color; Change Teeth, Posteruptive
Clinical Effects of Dehydration on Tooth Colour
Dental restorations should mimic sound tooth structures in terms of color and optical properties especially in the anterior region.
- Trial name
- NCT04290598
- Where
- Turkey (Türkiye)
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Tokat Gaziosmanpasa University
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
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
Healthy
Contribution of a* to Dental Bleaching After Combined Dental Bleaching
A prospective, non-randomized, single-arm interventional clinical study with a before-after design will be conducted to assess changes in CIELab color parameters and the Whiteness Index for Dentistry (WID) following a…
- Trial name
- NCT07560761
- Testing
- Combined Dental Bleaching
- Where
- Spain
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of Valencia
Discolored Teeth
Effect of Prophylaxis Pastes With and Without Desensitizing Agents Prior to In-office Bleaching
To evaluate the effect of prophylaxis pastes with and without desensitizing agents prior to in-office bleaching on color change and tooth sensitivity.
- Trial name
- NCT07770373
- Testing
- Treatment
- Volunteers
- 38 people
- Sponsor
- Cairo University
Shade Match, Teeth Color
Impact of Presentation Sequence on Patient Tooth Shade Selection
This study is a clinical trial designed to understand how the way a dentist presents tooth color options affects a patient's final choice for their dental treatment.
- Conditions
- Shade Match, Teeth Color, Patient Preference, Aesthetic Perception
- Trial name
- NCT07370545
- Testing
- Sequential Shade Presentation (Natural to Bleached), Sequential Shade Presentation (Bleached to Natural), Simultaneous Shade Presentation (Full Range)
- Where
- Jordan
- Volunteers
- 210 people, healthy volunteers welcome
- Sponsor
- University of Jordan
Molar Incisor Hypomineralisation
Correlation Between Colour and Hypersensitivity of First Permanent Molars With Molar Incisor Hypomineralisation (MIH)
Cheese molars (MIH: molar incisor hypomineralisation) can be recognized not only by their colour abnormalities but also by their hypersensitivity.
- Trial name
- NCT07727044
- Where
- Switzerland
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- University of Basel
White Spot Lesion
Evaluation of Two Varnishes on the Improvement of White Spot Lesions in Children
A randomized control trial evaluating the effect of the Giomer varnish versus fluoride varnish on the color improvement of the white spot lesion in permanent anterior teeth of children aged between 8-14 years by using a…
- Trial name
- NCT05775250
- Testing
- giomer varnish
- Where
- Egypt
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- October University for Modern Sciences and Arts
Pain, Local Infiltration
Pain Perception With a Comfort-ın Jet Injection and Conventional Dental Injection
The investigators aimed to compare the effectiveness of the Comfort-in system, which is a jet injection type, and infiltrative anesthesia with a traditional injector, and to measure the effect of children's anxiety on the…
- Conditions
- Pain, Local Infiltration, Anesthesia, Fear
- Trial name
- NCT04682080
- Testing
- Needle-free injection
- Where
- Turkey (Türkiye)
- Volunteers
- 94 people, healthy volunteers welcome
- Sponsor
- Tokat Gaziosmanpasa University
Tooth Discoloration Following Root Canal Treatment, Tooth Discoloration
Clinical Evaluation of Discoloration Induced by Root Canal Treatment in Vital and Devital Teeth
This prospective observational study aims to evaluate and compare tooth discoloration following root canal treatment in vital and devital teeth.
- Trial name
- NCT07781969
- Testing
- Root Canal Treatment
- Where
- Turkey (Türkiye)
- Volunteers
- 52 people
- Sponsor
- Marmara University
Amelogenesis Imperfecta, Dental Fluoroses
Colorimetric, Ultra-structural and Elemental Comparison of Dental Enamel Defects
The study focuses on the analysis of enamel defects grouping together hypomineralization and hypoplasia. It focuses on 3 very characteristic enamel pathologies that are most often encountered in dental consultations: Molar…
- Conditions
- Amelogenesis Imperfecta, Dental Fluoroses, Hypomineralization Molar Incisor
- Trial name
- COLOEMAIL (NCT04704089)
- Testing
- spectrophotometer, Biological (protein analysis by western blot or mass spectrometry of matrix proteins), structural (electron microscopy) and physico-chemical analyses
- Where
- France
- Volunteers
- 80 people
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Dental Caries
Esthetic Evaluation of Onlay Restorations Constructed From Vita Ambria Glass Ceramics
There is limited data available on VITA AMBRIA glass ceramic , so this study is conducted to investigate the esthetic parameters of this new glass press system.
- Trial name
- NCT05437432
- Testing
- VITA AMBRIA, IPS e.max press
- Where
- Egypt
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Al-Azhar 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 Bleaching, Low-level Laser Therapy
Effect of Low-level Laser Therapy on Post-bleaching Sensitivity and Color Change
Objective: The objective of this clinical study was to evaluate low-level laser (LLL) therapy in tooth sensitivity and in effecting color change after in-officer bleaching treatment across three weeks of treatment.
- Conditions
- Tooth Bleaching, Low-level Laser Therapy, Dentin Sensitivity, Clinical Trial
- Trial name
- NCT03514290
- Testing
- Low-lever laser, Tooth bleaching
- Where
- Brazil
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- Universidade Federal do Para
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
Discoloration, Tooth
Copmere Between Bleaching and Laminate Veneers
The present study is aimed to evaluation of shade for clinical color change of discolored teeth treated by bleaching vs laminate veneers.
- Trial name
- NCT03621163
- Testing
- Bleaching agent ( BOOST 40%), laminate veneers(lithium-silicate)
- Volunteers
- 1 people, healthy volunteers welcome
- Sponsor
- Cairo University
Other Unsatisfactory Restoration of Tooth
A Clinical Trial of an Acetal Resin Crown for Restoration of Primary Molars
Preformed stainless steel crowns have been used in Pediatric Dentistry to restore badly broken down primary teeth since 1950. They are generally considered more expedient to place than large multi-surface amalgam or composite…
- Trial name
- NCT01359475
- Testing
- Acetal crown, LD Caulk ltd, USA
- Where
- Israel
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- Uri Zilberman
Teeth Color, Teeth Staining
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 Control
To determine whether brushing with a non-fluoride tooth whitening dentifrice containing nHAP and a high cleaning silica system produces a greater level of stain reduction as indicated by the Modified Lobene Stain Index (MLSI) for…
- Trial name
- NCT07214038
- Testing
- toothpaste
- Where
- India
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Boka LLC
Molar Incisor Hypomineralisation, Enamel Breakdown
Correlation Between Colour of Defect and Enamel Breakdown in First Permanent Molars With Molar Incisor Hypomineralisation (MIH)
Cheese molars (MIH) can be recognized not only by their colour abnormalities but also by the enamel breakdown. Clinical management of those teeth may become challenging by the chronic hypersensitivity, that makes various steps…
- Conditions
- Molar Incisor Hypomineralisation, Enamel Breakdown, Colour of Defect
- Trial name
- MIH (NCT07727200)
- Where
- Switzerland
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- University of Basel