Clinical trials: Teeth Color
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 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, 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
Tooth Discoloration, Color Changes During Tooth Formation
Office Bleaching Treatment by Using Rubber-cup and Air-powder Polishing Device Prophylaxis in Rondomised Clinical Design
The increasing demand for whitening teeth necessitates requirements and guidelines to ensure the efficacy of products and bleaching techniques.
- Trial name
- NCT04407910
- Testing
- AIRFLOW® Master device +Opalescence Xtra Boost., rubber-cup+Opalescence Xtra Boost.
- Where
- Turkey (Türkiye)
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- Cukurova University
Tooth Discoloration, Tooth Staining
Peroxide Versus Non-Peroxide In-Office Tooth Bleaching
This randomized clinical trial aims to compare the effectiveness of peroxide and non-peroxide in-office tooth bleaching systems.
- Trial name
- BECTS (NCT07818031)
- Testing
- peroxide -based in office tooth bleaching, non-peroxide -based in office tooth bleaching
- Where
- Egypt
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Minia University
Maxillary Transverse Deficiency
Evaluation of the Effect of Surgically Assisted Rapid Maxillary Expansion on Tooth Color
This prospective study aimed to evaluate effects of surgically assisted rapid maxillary expansion (SARME) on the color, maxillary anterior teeth by comparing them with untreated control group.
- Trial name
- NCT07150572
- Testing
- surgery assisted rapid maxillary expansion
- Where
- Turkey (Türkiye)
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Bezmialem Vakif University
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
Tooth Color
Intervening Factors in Tooth Color Assessment
The aim of this study is to evaluate the influence of several factors (light, extrinsic stain removal and operator's experience) in tooth color assessment.
- Trial name
- NCT03544658
- Testing
- Dental prophylaxis, Tooth color assessment by the participant, Tooth color assessment by the investigator
- Where
- Portugal
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Grupo de Investigação em Bioquímica e Biologia Oral
Dental Fluorosis
Clinical Evaluation of Dental Fluororsis Treatment Modalities
Background: Various treatment modalities are available to improve esthetics of fluorosed teeth based on its severity. Aim: evaluate the clinical performance of different minimal invasive treatment protocols on mild to moderate…
- Trial name
- NCT05204277
- Testing
- Opalescence™ boost™ PF 40%, Opalustre™, MI-Paste Plus®
- Where
- Egypt
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Suez Canal University