Clinical trials: Tooth Discoloration
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
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
Destructed Teeth Restored by Zirconia Crowns, Zirconia Crowns
Clinical Outcomes of Bonded Monolithic Translucent Zirconia Crowns Using Two Different Compositions of Self-adhesive Resin Cements
The aim of the present study is to evaluate the clinical outcomes (marginal discoloration, marginal adaptation, gingival health, debonding and patient satisfaction) of translucent zirconia crowns bonded by TheraCem (MDP, calcium…
- Conditions
- Destructed Teeth Restored by Zirconia Crowns, Zirconia Crowns, Decayed, Missing, and Filled Teeth, Tooth Discoloration
- Trial name
- NCT04875468
- Testing
- TheraCem self-adhesive resin cement, Multilink adhesive resin cement
- Where
- Egypt
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Diana Mostafa Habeb
Black Stain Dental, Dental Black Stain, Black Stain*, Black Stains, Tooth Stains
Assessment of Salivary Bacterial Level and Dental Caries Experience in a Group of Egyptian Children With Black Stained Teeth
Black stains (BS) are type of extrinsic discoloration of the tooth. It's characterized as dark lines or an incomplete coalescence of dark dots found mostly on cervical third of the crown.
- Trial name
- NCT03563469
- Testing
- Salivary bacterial and pH level
- Volunteers
- 73 people, healthy volunteers welcome
- Sponsor
- Cairo University
Extrinsic Staining of Tooth - Medication
Evaluation of Two Different Toothpastes for Clinical Management of Extrinsic Stains.
The aim of the study is to assess the efficacy of Blanx Black Toothpaste against extrinsic stains of teeth. Patients who sign the informed consent will participate to the study.
- Trial name
- NCT04904978
- Testing
- Blanx Black Toothpaste, Colgate Sensation White
- Where
- Italy
- Volunteers
- 40 people
- Sponsor
- University of Pavia
Dental Calculus, Tooth Discoloration
Staining and Calculus Formation After 0.12% Chlorhexidine Rinses
The presence of plaque on tooth surfaces as a predictor of chlorhexidine side effects has not been evaluated especially because most studies utilized a previous disruption of biofilms in all dental surfaces before the beginning…
- Trial name
- NCT00818376
- Testing
- Dental prophylaxis
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Lutheran University of Brazil
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, 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
Oral Hygiene
An Efficacy Study of Stain Control of a 67% Sodium Bicarbonate Containing Toothpaste on Chlorhexidine Tooth Staining
The aim of this study is to compare the stain effect on teeth of twice daily brushing with a 67% sodium bicarbonate containing toothpaste versus standard toothpaste (not containing sodium bicarbonate) for six weeks whilst using a…
- Trial name
- NCT01962493
- Testing
- Sodium bicarbonate/ Sodium Fluoride, Sodium fluoride, Chlorhexidine digluconate
- Where
- 3 sites in United Kingdom
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- GlaxoSmithKline
Teeth Staining, Numbness of the Tongue and Soft Tissue
Children Acceptance of AgNP Mouthwash Against Chlorhexidine 0.12% and Chlorhexidine .2% Mouthwashs
This study aims to evaluate and compare the children's acceptance of mouthwash containing silver nanoparticles versus Chlorhexidine 0.12% \& Chlorhexidine 0.2%
- Conditions
- Teeth Staining, Numbness of the Tongue and Soft Tissue, Bitter Taste
- Trial name
- NCT07200063
- Testing
- nano silver mouthwash, Chlorhexidine mouthwash (0.12%), Chlorhexidine mouthwash (0.2%)
- Volunteers
- 93 people, healthy volunteers welcome
- 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
Discoloration, Tooth, Malformed Tooth
Survival of Hybrid Laminate Veneers Using Two Different Tooth Preparation Techniques:Randomized Clinical Trial
The aim of this study was to evaluate the survival of laminate veneers constructed using a recent polymer-infiltrated ceramic network material following the aesthetic pre-evaluative temporary (APT) technique of tooth preparation…
- Conditions
- Discoloration, Tooth, Malformed Tooth, Diastema
- Trial name
- NCT04515069
- Testing
- traditional technique of tooth preparation, aesthetic preevaluative temporary technique for tooth preparation
- Where
- Egypt
- Volunteers
- 6 people, healthy volunteers welcome
- Sponsor
- Cairo University
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
Molar Incisor Hypomineralization, Enamel Hypoplasia
Resin Infiltration Treatment for MIH
The investigators aimed to evaluate changes in mineralisation degree, colour, and size of the lesion after Icon® in permanent teeth with MIH in 6 months.
- Conditions
- Molar Incisor Hypomineralization, Enamel Hypoplasia, Enamel Caries, Anterior Teeth
- Trial name
- NCT04685889
- Testing
- Resin infiltration
- Where
- Turkey (Türkiye)
- Volunteers
- 34 people, healthy volunteers welcome
- Sponsor
- Tokat Gaziosmanpasa University
Caries, Dental
Accuracy Of Sopro-Life Camera In Comparison With ICDAS II For Detection Of Initial Caries
This study will be conducted to assess diagnostic predictive values of a light induced fluorescence intraoral camera versus those of the visual-tactile assessment method according to modified ICDAS-II criteria in clinical
- Trial name
- NCT03586713
- Testing
- light induced fluorescence camera
- Where
- Egypt
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Cairo University
Tooth Discoloration, Periodontal Diseases
Evaluating the Efficacy of a Gum Health Formulation on Teeth Whitening in Patients With Gingivitis and Periodontitis
The purpose of this study is to evaluate the efficacy of a novel gum health formulation, when used in an intra-oral device or on a toothbrush, for teeth whitening and clinical improvements in periodontal diseases.
- Trial name
- NCT02906982
- Testing
- Gum health formulation in intra-oral device, Gum health formulation on toothbrush
- Where
- United States
- Volunteers
- 30 people
- Sponsor
- Glo Science, Inc.
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
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.
Tooth Discoloration
Efficacy of a 6% Hydrogen Peroxide Tooth Bleaching Agent
The present study investigates whether it is possible to achieve equally satisfactory results between 37.5% hydrogen peroxide gel and 6% gel for teeth bleaching.
- Trial name
- NCT03217994
- Testing
- gel HP
- Where
- Chile
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- University of Chile
Tooth Discoloration
Clinical Evaluation of the Fracture Resistance for E-max Cad and Vita Suprinity Laminate Veneers
Patients need laminate veneer for their teeth usually use Emax CAD as an etchable ceramic. Yet fracture may occur so a stronger material is needed.
- Trial name
- NCT02940717
- Testing
- Vita suprinity, Emax CAD
- Volunteers
- 16 people
- Sponsor
- Cairo University