Clinical trials: Tooth Discoloration
Gingivitis, Periodontal Diseases
Changes in Oral Health in Tobacco Cigarettes Smokers After Switching to Combustion-Free Nicotine Delivery Systems
Although the well-known detrimental effects of conventional cigarette smoking on oral health, there are still lack of evidences about the impact of less harmful alternatives (such as electronic cigarettes or heat not burn…
- Trial name
- SMILE (NCT04649645)
- Testing
- TOBACCO CIGARETTES, COMBUSTION-FREE NICOTINE DELIVERY SYSTEMS (C-F NDS), NOT SMOKING
- Where
- Italy
- Volunteers
- 460 people, healthy volunteers welcome
- Sponsor
- Eclat Srl.
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
Tooth Discoloration, Dentin Sensitivity
Efficacy and Safety Assessment of Experimental Bleaching Agents
Tooth bleaching is widely used to treat the colors of teeth. This study compares the efficiency of two experimental bleaching gels, with and without nanoparticles, and with and without light activation versus two commercial…
- Conditions
- Tooth Discoloration, Dentin Sensitivity, Patient Satisfaction
- Trial name
- NCT06802614
- Testing
- BLEACHING GEL A, 5% NF_TiO2, BLEACHING GEL B
- Where
- United States
- Volunteers
- 240 people, healthy volunteers welcome
- Sponsor
- University of Oklahoma
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 Wear
Evaluation of 2-year Clinical Performance of Two Different Single Color Universal Composite Resin Restorative Materials.
Dentists have recently preferred to use composite materials and restorative techniques that allow the use of simplified clinical protocols in order to reduce the time the patient spends in the dentist's chair and minimize…
- Trial name
- NCT06125132
- Testing
- Restoration with-tooth colored material
- Where
- Turkey (Türkiye)
- Volunteers
- 55 people, healthy volunteers welcome
- Sponsor
- Baskent 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
Tooth Discoloration
Clinical Efficacy of In-office Bleaching With Different Concentrations of Hydrogen Peroxide
Objective: The study evaluated the longevity, effectiveness, sensitivity and impact on the oral health-related quality of life of in-office dental bleaching using low, medium, and high concentrate hydrogen peroxide.
- Trial name
- NCT06700434
- Testing
- Bleaching treatment
- Where
- Turkey (Türkiye)
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Gazi University
Discoloration, Tooth
Bleaching Effect of Solo and Combined Kiwi Extract and Ozone and Their Impact on Enamel
ozone therapy has been extensively used in dentistry to manage wounds healing, dental caries, oral lichen planus, gingivitis and periodontitis, halitosis, osteonecrosis of the jaw, post-surgical pain, plaque and biofilms, root…
- Trial name
- NCT06582069
- Testing
- Bleaching
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Al-Azhar University
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 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
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