Clinical trials: Discolored Teeth
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.
Enamel Discoloration, Fluorosis, Dental
21% Hydrochloric Acid Based Versus 6.6 % Hydrochloric Based Micro Abrasive Kit in Management of Patients With Mild to Moderate Fluorosis
compare the clinical performance of different concentrations of hydrochloric acid based as micro abrasive kits in management of patients with mild to moderate fluorosis over 6month follow up .
- Trial name
- NCT06949878
- Testing
- Antivet, opalustre
- Volunteers
- 35 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
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, Tooth Sensitivity
At-home Bleaching Using Clear Retainers
The aim of this project is to clinically evaluate patient satisfaction, whitening efficacy, tooth sensitivity, and gingival irritation during at-home whitening with 10% carbamide peroxide using an Essix-type retainer or a Vivera…
- Conditions
- Tooth Discoloration, Tooth Sensitivity, Gingivitis, Satisfaction, Patient
- Trial name
- NCT05835453
- Testing
- Whitening
- Where
- Spain
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Universidad Rey Juan Carlos
Clear Aligner Orthodontic Treatment, Composite Attachment
Tooth Discoloration and Chairside Handling Time (Bonding-Debonding) in Flowable Versus Packable Composites for Clear Aligner Bonded Attachments: A Randomized Clinical Trial
This randomized split-mouth clinical trial aims to compare two different composite materials used for bonding attachments in clear aligner orthodontic therapy.
- Conditions
- Clear Aligner Orthodontic Treatment, Composite Attachment, Color Stability of Enamel
- Trial name
- NCT07234149
- Testing
- flowable nanohybrid Composite Resin, Packable Microhybrid Composite Resin
- Where
- 2 sites in Iraq
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Sulaimani
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
Discoloration of Teeth
Determination of a Threshold for Mouth Rinse Induced Discoloration of Teeth
The purpose of this study is to daily monitor the discoloration of teeth when participants rinse with a mouth rinse and black tea and to determine the time point when unacceptable discoloration occurs.
- Trial name
- NCT01382914
- Testing
- chlorhexidine 0.12%
- Where
- Germany
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Technische Universität Dresden
Teeth Staining
The Purpose of This Research Study is to Compare the Effectiveness of a Non-fluoride Sensitive Whitening Toothpaste, Containing 5% KNO3 (Test) to That of a Non-whitening Fluoride Toothpaste (Negative Control) in Improving Tooth Whiteness (Removal of Extrinsic Stains Over 4 Weeks of Unsupervised Use.
The Purpose of This Research Study is to Compare the Effectiveness of a Non-fluoride Whitening Toothpaste (Test) to That of a Non-whitening Fluoride Toothpaste (Negative Control) in Improving Tooth Whiteness (Removal of Extrinsic…
- Trial name
- NCT07761715
- Testing
- Toothpaste
- Where
- United States
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Boka LLC
Tooth Discoloration
A Study to Assess the Efficacy of an Experimental Mouthwash Used With a Marketed Whitening Toothpaste on Stain Build-up
The aim of this clinical study is to evaluate the efficacy of an experimental mouthwash used with a marketed whitening toothpaste or a marketed regular fluoride toothpaste, compared to a marketed regular fluoride toothpaste…
- Trial name
- NCT07836998
- Testing
- Whitening Toothpaste, Experimental Mouthwash, Regular Fluoride Toothpaste
- Where
- United States
- Volunteers
- 360 people, healthy volunteers welcome
- Sponsor
- HALEON
Surgical Flaps, Wound Healing
Periodontal Wound Healing With CHX and Hyaluronic Acid
Backround: No data on the adjunctive effects of hyaluronic acid (HA) in a post-surgery, chlorhexidine (CHX) - based plaque control regimen are available.
- Conditions
- Surgical Flaps, Wound Healing, Gingiva
- Trial name
- CHX+HA+ADS (NCT03465670)
- Testing
- CHX, CHX+HA+ADS
- Where
- Italy
- Volunteers
- 37 people
- Sponsor
- University Hospital of Ferrara
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 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
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
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
Pulp Necrosis
Discoloration of Endosequence and Mineral Trioxde Aggregate in Revascularization of Necrotic Immature Permanent Teeth
the objective of this study is to evaluate post operative pain after using Endosequence versus Mineral Trioxide Aggregate as coronal plug material in revascularization of non vital immature anterior teeth
- Trial name
- NCT03813433
- Testing
- Revascularization
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Cairo University
Tooth Discoloration
Marginal Fit of Porcelain Veneers After Finishing Prepared Surfaces With Ultrasonic Tips
The aim of the study is to assess the marginal fit following preparation finishing with ultrasonic tips of porcelain veneers compared to the ordinary preparation using burs only.
- Trial name
- NCT02683499
- Testing
- Ultrasonic tips
- Where
- Syria
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Damascus University
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
Safety and Efficacy of the ToothWave Power Toothbrush for Extrinsic Stain Reduction
This study is a single blind, prospective study aimed to evaluate the safety and efficacy of the Silk'n ToothWave Power Toothbrush for stains reduction and improvement of teeth shade.
- Trial name
- NCT03885609
- Testing
- ToothWave, powered toothbrush
- Where
- United States
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- Home Skinovations Ltd.
Tobacco Dependence
A Study on the Effects of Two Nicotine Replacement Products on Tooth Staining
Participants will be smokers who want to quit, and have visible nicotine stains on their teeth. They will be given toothpaste and a toothbrush to use during the study, and will have an equal chance of being assigned to use either…
- Trial name
- NCT01440985
- Testing
- Nicotine
- Where
- Ireland
- Volunteers
- 200 people
- Sponsor
- McNeil AB