Clinical trials: Teeth Color
Natural Optical Properties
Evaluation of Patient Satisfaction and Color Difference Between Natural Teeth and Monolithic All-ceramic Crowns Fabricated From Celtra Press Treated With Different Surface Finishing Protocols
investigating the effect of glazing and polishing on the color difference between natural teeth and all ceramic crowns made from celtra press (zirconia reinforced lithium silicate ceramic).
- Trial name
- NCT03813628
- Testing
- polished celtra press full coverage crown, glazed celtra press full coverage crowns, contralateral natural teeth
- Volunteers
- 10 people
- Sponsor
- Cairo University
Tooth Hypersensitivity
Hypersensitivity and Color Changes of Bleached Teeth Using Different Remineralizing Agents
The aim of this in vivo study is to evaluate the post-bleaching enamel hypersensitivity and the possible color changes following the application of arginine and nano-hydroxyapatite remineralizing solutions after enamel bleaching…
- Trial name
- NCT04875000
- Testing
- Remineralizing agent I application, Remineralizing agent II application, Remineralizing agent III application
- Where
- Egypt
- Volunteers
- 48 people, healthy volunteers welcome
- Sponsor
- National Research Centre, Egypt
Tooth Color
Evaluation of the Whitening Effect in Subjects After Professional Tooth Cleaning Procedure
The goal of this study is to learn if the toothpaste works to maintain effect of the professional tooth cleaning in adults. It will also learn about the safety of the product.
- Trial name
- NCT07438990
- Testing
- Whitening toothpaste, Regular toothpaste
- Where
- Spain
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- Lacer S.A.
Color; Change Teeth, Posteruptive
Evaluation of the Color Change of the Laser and Chemical Vital Whitening Method in the Teeth
Having an aesthetic smile has become very common among patients today. Recent studies have shown that people aged 18-49 want to have whiter and brighter teeth. The demand for whitening has increased by 300% in the last 5 years.
- Trial name
- NCT04305483
- Testing
- Laser Bleaching, Chemical Bleaching
- Where
- Turkey (Türkiye)
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Yuzuncu Yil University
Tooth Discoloration
Clinical Effectiveness of In-office Bleaching Activated With a LED/Laser Device
There is a controversy in the dentistry literature about how the use of associated light to activate 35% hydrogen peroxide gel during in-office tooth bleaching may increase the bleaching effectiveness.
- Trial name
- NCT01231243
- Testing
- in-office bleaching with/without light
- Where
- Brazil
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Universidade Estadual de Ponta Grossa
Adaptation Reaction, Tooth Color
Marginal Adaptation, Shade Matching, of Polychromatic Feldspathic VS Polychromatic Hybrid Ceramic Laminate Veneer
The aim of the present study is to evaluate the marginal adaptationو shade matching and patient satisfaction of polychromatic feldspathic porcelain laminate veneer compared to hybrid ceramic multi-color laminate veneer.
- Conditions
- Adaptation Reaction, Tooth Color, Patient Satisfaction
- Trial name
- NCT04942418
- Testing
- Multicolor hybrid ceramic laminate veneers., Multicolor fieldspathic ceramic laminate veneers.
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Cairo University
Endodontically Treated Teeth, Tooth Discoloration
Color Dental Alteration Caused by Endodontic Treatment
The color change of endodontically treated teeth is a common concern in clinical practice. The objective of this study will be to evaluate, in vivo, the color change (ΔE00) caused by endodontic treatment.
- Conditions
- Endodontically Treated Teeth, Tooth Discoloration, Root Canal Infection
- Trial name
- NCT03841877
- Testing
- endodontic treatment
- Where
- Brazil
- Volunteers
- healthy volunteers welcome
- Sponsor
- Federal University of Pelotas
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
Anxiety, Anxiety State
Colors, Can They Reduce the Dental Anxiety
The investigator's aim in this study was to evaluate the preoperative anxiety and pain felt during the operation due to exposure to green, red, and blue light.
- Conditions
- Anxiety, Anxiety State, Tooth Extraction Status Nos
- Trial name
- NCT06452836
- Testing
- Green color exposure, Red color exposure, Blue color exposure
- Where
- Turkey (Türkiye)
- Volunteers
- 84 people, healthy volunteers welcome
- Sponsor
- Selcuk University
Tooth Discoloration
450 nm Blue Diode Laser Versus Blue LED for In-Office Tooth Bleaching
Tooth discoloration is commonly managed using in-office dental bleaching. This randomized clinical trial compared the efficacy and safety of activating the same 35% hydrogen peroxide bleaching gel with either a 450 nm blue diode…
- Trial name
- NCT07870317
- Testing
- 450 nm Blue Diode Laser, Blue Light-Emitting Diode Lamp, 35% Hydrogen Peroxide Dental Bleaching Gel
- Where
- Egypt
- Volunteers
- 40 people
- Sponsor
- Misr University for Science and Technology
Tooth Bleaching, Dentin Sensitivity
In-office Bleaching Using a Violet Light
The objective of this clinical study is to evaluate the effect of the whitening treatment performed with the violet LED light (405-410 nm), with or without a bleaching gel, on the tooth color changes (immediate and long-term)…
- Trial name
- NCT03207204
- Testing
- 35% Hydrogen peroxide bleaching, 30% Carbamide peroxide bleaching, Violet LED bleaching 1
- Where
- Brazil
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- University of Sao Paulo
Color Perception, Tooth
Comparison of Visual and Spectrophotometric Methods for Dental Color Measurement - An in Vivo Study
Twenty patients of Dental Medicine School will be recruited to participate in a pilot study about dental color measurement in which visual and digital instruments will be tested.
- Trial name
- NCT03430713
- Testing
- Measure of tooth color
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Grupo de Investigação em Bioquímica e Biologia Oral
Color; Change Teeth, Posteruptive
The Effect of Different Types of Resin Cements on the Color Stability of Two Different Types of Ceramic Veneers
Aim of the study was to evaluate the color stability of lithium disilicate ceramic veneers and zirconia reinforced lithium silicate ceramic veneers by using two different types of resin cements including light cured and dual…
- Trial name
- NCT06368869
- Testing
- Livento press veneers luted with dual cured resin cement, Livento press veneers luted with light cured resin cement, Celtra duo veneers luted with dual cured resin cement
- Where
- Egypt
- Volunteers
- 44 people
- Sponsor
- amr elshimy
Color, Bleaching Sensitivity
Whitening Efficacy and Tooth Sensitivity of Different Concentrations of Hydrogen Peroxide Photoactivated With Violet or Blue LEDs
This is a randomized, controlled, double-blind and repeated-measures clinical trial evaluated the photoactivation of hydrogen peroxide gels in different concentrations with blue or violet LED in terms of whitening efficacy and…
- Trial name
- NCT06165458
- Testing
- 6% hydrogen peroxide gel + violet LED, 6% hydrogen peroxide gel + blue LED, 35% hydrogen peroxide gel + violet LED
- Where
- Brazil
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Universidade Federal do Para
Dentin Hypersensitivity
Effect of Chemical and Light Bleaching Techniques on Color Change, Dentin Hypersensitivity and Patient Satisfaction
Aim of The Study This study aims is to evaluate color change, dentin hypersensitivity and patient satisfaction after different bleaching techniques at different time intervals.
- Trial name
- NCT07669324
- Testing
- Light activated bleaching, Chemically activated bleaching
- Where
- Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Nahda University
Tooth Discoloration Following Root Canal Treatment
TOOTH DİSCOLORATİON AFTER ROOT CANAL TREATMENT WİTH AH PLUS AND BİOROOT RCS
he purpose of this clinical study is to compare tooth color changes after root canal treatment using two different root canal sealers, AH Plus and BioRoot RCS, in upper front teeth.
- Trial name
- NCT07849296
- Testing
- AH Plus Root Canal Sealer, BioRoot RCS Root Canal Sealer
- Where
- Turkey (Türkiye)
- Volunteers
- 63 people, healthy volunteers welcome
- Sponsor
- Recep Tayyip Erdogan University
Tooth Injuries, Dental Restoration, Permanent
Colour Match, Stability, and Patient's Satisfaction of Single-Shade Composites in Anterior Teeth
The goal of this observational study is to evaluate the clinical performance of a single-shade composite resin, used with an injection moulding technique, in restoring maxillary incisors affected by traumatic dental injury in…
- Trial name
- NCT07309653
- Where
- Thailand
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- Mahidol University
Dentin Hypersensitivity
Clinical Study of the Whitening Dentifrices on Tooth Color and Sensitivity
Objective:The aim of this clinical study was to evaluate tooth color alteration (ΔE) and tooth sensitivity (TS) in patients that used two commercial brand-whitening dentifrices for four weeks.
- Trial name
- NCT02483013
- Testing
- whitening dentifrices
- Where
- Brazil
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Sao Paulo
Pain, Dental Pain
Comparison of Different Pain Rating Scales in Patients With Symptomatic Teeth
Patients with symptomatic teeth who applied endodontic clinic between April 2019 and December 2019 for root canal treatment were enrolled in this study.
- Trial name
- CoPRS (NCT04231955)
- Testing
- numerical rating scale, visual analogue scale, color analogue scale
- Where
- Turkey (Türkiye)
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Istanbul Medipol University Hospital
Shade Match, Shade Selection
AI-Assisted Shade Selection Versus Digital Spectrophotometry in Determining Maxillary Anterior Tooth Color in a Group of Egyptian Patients at Cairo University, Faculty of Dentistry Hospital (Diagnostic Accuracy Study)
Achieving an accurate shade match is a critical factor in the success of anterior esthetic restorations, directly influencing patient satisfaction, perceived treatment success, and long-term acceptance of restorations.
- Trial name
- AI shade (NCT07397546)
- Testing
- Shade selection
- Volunteers
- 268 people, healthy volunteers welcome
- Sponsor
- Cairo University