Clinical trials: Tooth Discoloration
Tooth Discoloration
Evaluation of Template Assisted Monochromatic Structural Colored Versus Universal Multi-Shade Direct Composite Veneers
The aim of this study was to conduct a clinical trial utilizing a modified split-mouth, double-blinded, randomized strategy to clinically assess template assisted one shade structural colored versus universal multi-shade direct…
- Trial name
- NCT06543654
- Testing
- Omnichroma, Ceram. X Spectra
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Tanta University
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
Tooth Discoloration
Clinical Evaluation of Single Versus Multi-Shade Direct Composite Resin Veneers
The aim of this study was to clinically evaluate single and multi-shade direct veneers.
- Trial name
- NCT06404398
- Testing
- OMNICHROMA, Ceram. x spectra
- Where
- Egypt
- Volunteers
- 20 people
- Sponsor
- Tanta 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
Discoloration, Tooth
Prevalence of Teeth Discoloration , Associated Risk Factors and the Most Common Shade Among Group of Egyptian Population
"The aim of this study is to assess the prevalence of tooth discoloration and explore its associated risk factors, including local cultural practices or environmental conditions, among a group of adults aged 20 to 45 years in an…
- Trial name
- NCT06515561
- Volunteers
- 213 people
- Sponsor
- Cairo University
Discoloration, Tooth, Chip Tooth
Dental Photography and Numeric Shade Quantification as a Substitute to Conventional and Instrumental Shade Matching Techniques in the Esthetic Zone
Visual shade matching is the most common method, in which a color standard from a commercially available dental shade guide is compared to and matched with the target tooth.
- Conditions
- Discoloration, Tooth, Chip Tooth, Non Vital Teeth, Trauma Dental
- Trial name
- NCT04817579
- Testing
- Digital photography combined with eLABor_aid shade analyzing software, Spectrophotometer, Conventional visual shade matching
- Where
- Egypt
- Volunteers
- 10 people
- Sponsor
- Cairo University
Tooth Staining, Periodontitis
Impact of a Newly Formulated Toothpaste in Tooth Staining Associated With Chlorhexidine Rinses
Dental staining may interfere with compliance with chlorhexidine mouth rinse use Thus, developing strategies to control tooth staining associated with chlorhexidine use may be relevant for improving compliance.
- Trial name
- PaSTaining (NCT05354986)
- Testing
- Toothpaste with hexametaphosphate, tripolyphosphate and polyvinylpyrrolidone (PVP), Toothpaste without hexametaphosphate, tripolyphosphate and polyvinylpyrrolidone (PVP)
- Where
- Spain
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Universidad Complutense de Madrid
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
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
Fracture, Tooth Discoloration
Clinical Performance of Ceramic Laminate Veneers Made With Celtra Duo Press and IPS e.Max Press Ceramic
The aim of the present study is to assess the clinical performance (patient satisfaction, fracture, shade matching, Marginal adaptation and sensitivity) of laminate veneers made with celtra duo press ceramic and IPS e.max press…
- Trial name
- NCT03713970
- Testing
- celtra duo press, IPS e.max press
- Where
- Egypt
- Volunteers
- 6 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
Dental Diseases, Tooth Discoloration
6-year Clinical Performance of Prefabricated and Composite Veneers ( Componeer)
The aim of this study is to compare the clinical performance of composite veneers performed in two different ways, indirect and direct methods over a period of 6-year.
- Trial name
- NCT05998980
- Testing
- Componeer prefabricated veneers, Essentia resin composite veneers
- Where
- Turkey (Türkiye)
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- Ege University
Dental Diseases, Tooth Discoloration
3-year Clinical Performance of Prefabricated and Composite Veneers
The aim of this study was to evaluate the clinical performances of Edelweiss prefabricated veneers and direct resin composite restorations (Ceram-X Duo SphereTec) performed with U- veneer transparent templates used for anterior…
- Trial name
- Edelweiss (NCT05984472)
- Testing
- Edelweiss prefabricated veneers, Ceram-X Duo SphereTec with U-Veneer
- Where
- Turkey (Türkiye)
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- Ege University
Tooth Discoloration, Morphologic Change
Influence of Polishing After Bleaching on Color Change and Enamel Morphology
This trial evaluated the influence of polishing on enamel color change after in-office bleaching treatment. It also evaluated the influence of polishing on tooth morphology and sensitivity.
- Conditions
- Tooth Discoloration, Morphologic Change, Tooth Sensitivity
- Trial name
- NCT05635253
- Testing
- Hydrogen Peroxide 35%, Hydrogen Peroxide 35% + Polishing whitened teeth
- Where
- Brazil
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Universidade Federal do Para
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
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
Post Operative Pain
Efficacy of Desensitizing Agent,Propolis After an In-office Vital Tooth Bleaching.
This study was conducted to evaluate the efficacy of desensitizing agent Propolis, after an in -office vital tooth bleaching and to compare its desensitizing effect to traditionally used desensitizing agent fluoride varnish.
- Trial name
- NCT05569590
- Testing
- Propolis, hydrogen peroxide 35%, fluoride varnish
- Where
- Pakistan
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Dow University of Health Sciences
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
Etiology of Black Tooth Stain in Children
The aim of the present study was to investigate the relationship between the presence of black tooth stain (BS) and dental caries incidence, dental plaque scores and to examine the colonization of Streptococcus mutans…
- Trial name
- NCT05249491
- Testing
- Microbiological evaluation of dental plaques with children with or without black tooth stain
- Where
- Turkey (Türkiye)
- Volunteers
- 88 people
- Sponsor
- Ege University
Dental Plaque, Tooth Discoloration
aPDT for the Remediation of Dental Black Stain
In today's society cosmetic dentistry plays an important role in social relationships and in important aspects of life such as job applications and recruitment processes.
- Trial name
- NCT03483376
- Testing
- Dental prophylaxis, Antimicrobial photodynamic therapy (aPDT)
- Where
- Spain
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Cardenal Herrera University