Clinical trials: Color
Aligner Staining
Cleaning Agents Impact on Invisalign Aligners: A Cross-Over Randomized Trial
Today, the increasing aesthetic expectations of the patients, showing its effect in the field of orthodontics, leads to the orientation towards aesthetic materials.
- Trial name
- İnvisalign (NCT05213650)
- Testing
- non-abrasive toothpaste, abrasive toothpaste, Efferdent
- Where
- Turkey (Türkiye)
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Bezmialem Vakif University
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
Melatonin
Color-dependent Melatonin Suppression
The purpose of this study is to examine the effects of complex, broad-band spectra light on the production of melatonin in humans.
- Trial name
- NCT02936674
- Testing
- Light - standard, Light - alternate
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- VA Palo Alto Health Care System
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
Eye Diseases
Development of a Deep Learning System for Identification of Neuro-Ophthalmological Conditions on Color Fundus Photographs in Emergency Department
In recent years, artificial intelligence (AI) has been widely integrated into the medical field, contributing in particular to improved patient diagnosis.
- Trial name
- DEEP-VISION (NCT06643338)
- Where
- France
- Volunteers
- 1,000 people, healthy volunteers welcome
- Sponsor
- Fondation Ophtalmologique Adolphe de Rothschild
Amyotrophic Lateral Sclerosis 11
Chewing Efficiency Measured by a Two Colour Chewing Gum Test in Amyotrophic Lateral Sclerosis (ALS) Patients?
Study aims: The primary aim is to determine whether chewing efficiency, determined by a two-colour mixing ability test, and maximum bite and lip force decrease in ALS patients.
- Trial name
- NCT01772888
- Where
- Switzerland
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- University Hospital, Geneva
Infantile Hemangiomas
Ontogeny of Infantile Hemangiomas With Skin Imaging Modalities
A combined set of quantitative skin imaging methods will quantitatively describe the natural ontogeny and the response to standard treatments over time in patients with infantile hemangiomas.
- Trial name
- NCT02061735
- Where
- United States
- Volunteers
- 118 people, healthy volunteers welcome
- Sponsor
- Children's Hospital Medical Center, Cincinnati
Visual Suppression, Amblyopia
Autostereoscopic Dynamic Near Vision Testing
This is an analysis of tests of near vision. Visual perception testing using a novel program on an interactive three dimensional electronic device: Autostereoscopic dynamic near games for monocular visual acuity, stereopsis and…
- Conditions
- Visual Suppression, Amblyopia, Color Vision Defects
- Trial name
- PDICheck (NCT04606355)
- Testing
- Visual Acuity, stereopsis, Color vision
- Where
- United States
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Alaska Blind Child Discovery
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
Skin Inflammation
Skin IaM: An Exploratory Clinical Trial to Evaluate Changes in Skin Appearance, Colour, and/or Texture Following the Induction of a Local Inflammatory Skin Response
This trial will test the feasibility of various imaging devices to detect local skin inflammation prior to clinical manifestation.
- Trial name
- NCT03192280
- Testing
- Leukotriene B4, FLIR One, SCIO
- Where
- Australia
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- LEO Pharma
Cervical Cancer
Evaluation of the Zetiq Histological and Cytological Staining Technique for the Detection Cervical Cancer
Zetiq has introduced a histochemical stain that claims to tinctorially identify cancer and neoplastic cells. Because of the potential importance of such a capability, the investigators undertook to investigate Zetiq's CellDetect®…
- Trial name
- NCT01584414
- Where
- Israel
- Volunteers
- 210 people, healthy volunteers welcome
- Sponsor
- Meir Medical Center
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
Labor Pain
Color Doppler to Confirm Epidural Catheter Positioning in Parturient
The aim of this study is to calculate the sensitivity and specificity of using color Doppler with pulsed wave Doppler to accurately detect the position of epidural catheter
- Trial name
- NCT05606952
- Testing
- Color Doppler
- Where
- Egypt
- Volunteers
- 194 people, healthy volunteers welcome
- Sponsor
- Menoufia 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
Melasma
Efficacy of Radiofrequency Micro Needling for the Treatment of Melasma in Skin of Color.
The objective of this study is to test the effectiveness of radiofrequency microneedling (RFMN) as a treatment for melasma. The Investigator hypothesize that RFMN will be an effective treatment for melasma in skin of color…
- Trial name
- SylfirmX (NCT06616311)
- Testing
- Radiofrequency microneedling
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- The Cleveland Clinic
DENTAL IMPLANTATION
Surface Topography and Color Stability of Implant Supported 3D Printed Provisional Restorations
Patient attending the Outdoor Patient Department of the Department of Prosthodontics at Post Graduate Institute of Dental Sciences, Rohtak will be screened.
- Trial name
- NCT06947070
- Testing
- To evaluate the surface topography and color stability of 3D printing provisional material.
- Where
- India
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Postgraduate Institute of Dental Sciences Rohtak
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
Endoscopy
Study Comparing Blue Light Imaging (BLI) With Flexible Spectral-Imaging Color Enhancement (FICE)
The study is intended to demonstrate substantial equivalence of visualization using BLI to the predicate device, FICE, so as to support the addition of BLI as an adjunct to white light imaging in the company's video processor.
- Trial name
- BLI (NCT02755285)
- Testing
- Single Endoscopy Procedure
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Fujifilm Medical Systems USA, Inc.
Fruit and Vegetable Consumption
You Are What You Eat: A Randomised Controlled Trial of an Appearance-based Dietary Intervention
This study investigated whether illustration of the facial appearance benefits of fruit and vegetable consumption is able to motivate increased intake of this food group.
- Trial name
- NCT01511484
- Testing
- Information-only, Generic appearance intervention, Personalised appearance intervention
- Where
- United Kingdom
- Volunteers
- 73 people, healthy volunteers welcome
- Sponsor
- Perception Lab