Clinical trials: Marginal Discoloration
Anterior Teeth
Shade Matching of Universal Versus Conventional Nanohybrid Resin Composites in Class IV Restorations After Bleaching
The aim of the current study is to assess the shade matching potential of single shade universal resin composite versus conventional nanohybrid resin composite in class IV restorations after bleaching
- Trial name
- NCT05638373
- Testing
- One shade universal composite, Nanohybrid resin composite
- Where
- Egypt
- Volunteers
- 32 people
- Sponsor
- Cairo University
Endodontically Treated Teeth, Missing Teeth
Impression & Prosthesis Quality Made From Different Polyvinylsiloxane Impression Techniques
This randomized controlled trial is to clinically assess and compare impression quality of polyvinylsiloxane impression material using one step (experimental) and two step (control) impression techniques and its effect on…
- Conditions
- Endodontically Treated Teeth, Missing Teeth, Discoloration, Tooth, Prosthesis Failure, Dental
- Trial name
- NCT05938400
- Testing
- Polyvinylsiloxane impression with different techniques
- Where
- Pakistan
- Volunteers
- 62 people, healthy volunteers welcome
- Sponsor
- Dow University of Health Sciences
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
Postoperative Sensitivity, Anatomic Form of the Restoration
Comparative Evaluation of Clinical Performance of Bulk-Fill Composites With Incrementally Layered Conventional Composites
This study aimed to compare the clinical effectiveness of bulk-fill composites with conventionally layered incremental composites in Class I cavities using modified USPHS criteria.
- Conditions
- Postoperative Sensitivity, Anatomic Form of the Restoration, Colour Match of the Restoration, Marginal Discolouration
- Trial name
- ILCVSBFC (NCT07078110)
- Testing
- Material: Filtek Z250 (3M ESPE, USA), Material: Filtek Bulk-Fill Restorative (FBF), 3M ESPE, USA
- Where
- Pakistan
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Fatima Jinnah Dental College
Cervical Lesions
Clinical Evaluation of a Universal Adhesive in Noncarious Cervical Lesions
The purpose of this prospective clinical trial will be to evaluate the efficacy of an FDA approved and marketed universal dental adhesive formulation in adult noncarious cervical lesions using self-etch and selective etch…
- Trial name
- NCT02172664
- Testing
- Self etch enamel etching, selective etch protocol, Adhese Universal
- Where
- United States
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- Indiana University
Tooth Discoloration, Hypersensitivity
Composite Repair Using Silane Coupling Agent
Evaluation the influence of the use of silane coupling agent application as a separate step versus application of silane or acid resistance silane containing adhesives on the clinical performance of repaired posterior resin…
- Conditions
- Tooth Discoloration, Hypersensitivity, Tooth Fracture, Dental Restoration Failure of Marginal Integrity
- Trial name
- NCT06392685
- Testing
- Silane coupling agent, Adhesive containing silane.(Intervention 1 ), Acid resistance silane containing adhesive.(Intervention 2)
- Volunteers
- 75 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
Marginal Discoloration, Color Stability
A Two-year Study Evaluating the Surface-sealed Cervical Resin Composite Restorations in Comparison With the Non-sealed Restorations
After finishing and polishing are completed, the tooth surface may exhibit microcracks and micro-irregularities that create a roughened surface, which may lead to plaque retention, gingival inflammation, and discoloration.
- Trial name
- NCT07618013
- Testing
- PermaSeal™, Ultradent Products Inc., USA, OPTIGLAZE™, GC, Tokyo, Japan, Conventional finishing and polishing protocol
- Volunteers
- 25 people
- Sponsor
- Cairo University