Clinical trials: Crowns
Dental Plaque
A Protocol for the Use of Chlorhexidine Gluconate Saturation for the Reduction of Dental Biofilm Formation on Polymethylmethacrylate Restoration
Chlorhexidine gluconate (CHX), as an anti plaque agent, is commonly used with a variety of products. In this study we, the investigators at Hadassah Medical Organization, intend to examine the efficacy of a single dip in CHX of…
- Trial name
- NCT00259181
- Testing
- saturation of polymethylmethacrylate with chlorhexidine gluconate to reduce in vivo plaque formation
- Where
- Israel
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Hadassah Medical Organization
Decay, Dental
Evaluating the Efficiency of Newly Designed Prefabricated PMMA Crowns for Restoring Primary Teeth in Comparison to Stainless Steel and Zirconia Crowns
Evaluation of PMMA pediatric crowns
- Trial name
- NCT04479046
- Testing
- PMMA crowns
- Where
- Egypt
- Volunteers
- 20 people
- Sponsor
- Ain Shams University
Restoration of Primary Molars with Bioflex Crowns
Clinical and Radiographic Success of Nusmile Bioflex Versus Stainless-Steel Crowns in Restoring Decayed Primary Molars with Modified Hall Technique
This pilot study aims to compare the clinical and radiographic success of Bioflex (Nusmile) crowns Versus Stainless-steel crowns in restoring decayed primary molars.
- Trial name
- NCT06721741
- Testing
- Nusmile bioflex crowns, Stainless steel crowns
- Volunteers
- 36 people
- Sponsor
- Cairo University
Prosthesis Survival
Implant Retained CAD-CAM Ceramic Crowns
Newly available ceramic CAD-CAM blocs containing a screw channel for chairside-made crowns to be adhesively cemented to a TiBase abutment and screw-retained to an implant are appealing to the clinician, considering the time…
- Trial name
- RCT-Scherrer (NCT04773873)
- Testing
- PFM Crowns on gold coping cast-on, hybrid abutment lithium disilicate crown, hybrid abutment ceramic polymer infiltrated crown
- Where
- Switzerland
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Susanne Scherrer
Sleep Bruxism, Monolithic Ceramic Fixed Dental Prosthesis (Single Crowns)
All-ceramic Crowns in Patients With Sleep Bruxism
The aim of the study is to evaluate the complication rate of 2 types of all-ceramic crowns in patients with or without bruxism.
- Trial name
- NCT03039985
- Testing
- Zirconia crowns (Prettau®), lithium disilicate crowns (IPSe.max®)
- Where
- Germany
- Volunteers
- 109 people, healthy volunteers welcome
- Sponsor
- Heidelberg University
Dental Restoration Wear
Properties and Clinical Performance of Zirconia-based Dental Ceramics
The objectives of this study are to determine the clinical performance of zirconia-based dental prostheses and their related properties.
- Trial name
- NCT00737308
- Testing
- ceramic crown
- Where
- 2 sites in Thailand
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Mahidol University
Altered Passive Eruption of Teeth
Esthetic Crown Lengthening With Closed Piezoelectric in Comparison to Open Flap Approach
In this randomized clinical trial, the investigators are comparing two different approaches for Esthetic crown lengthening- a minimally invasive approach using piezoelectric (PZ) and a traditional open flap approach (OF).
- Trial name
- NCT05478317
- Testing
- ECL- mPZ, ECL-OF
- Where
- United States
- Volunteers
- 36 people
- Sponsor
- Augusta University
Personal Satisfaction
Evaluation of Patient Satisfaction and Shade Matching of Vita Suprinity Versus Lithium Disilicate (E-max) Ceramic Crowns in Esthetic Zone
The aim of this study is to evaluate using of new ceramic material Vita Suprinity and lithium disilicate on patient satisfaction combined with shade matching.
- Trial name
- NCT02846116
- Testing
- Prosthetic crown
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Cairo University
Decayed Teeth
Vital and Non-vital Posterior Teeth Restored With Onlays and Single Crowns Using Three Different Restorative Materials.
The objective of this study is to assess the survival rate and the biological and technical outcomes of onlays and single crowns made out of different restorative materials on vital and non-vital teeth.
- Trial name
- NCT07259265
- Testing
- Crown preparation, Onlay preparation
- Where
- Switzerland
- Volunteers
- 120 people
- Sponsor
- Dr. med. dent. Malin Strasding
Dental Caries
Comparing Stainless Steel Crowns With Prefabricated Resin Crowns in Primary Molar Teeth
The main reason for this research study is to learn more about a new flexible white dental crown (BioFLX) by comparing it to an existing flexible metal crown (Stainless Steel Crown).
- Trial name
- NCT06713330
- Testing
- BioFLX crown, 3M Stainless Steel Crown
- Where
- United States
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Children's Hospital Medical Center, Cincinnati
Edentulism
Comparing Cobalt-Chromium Versus PEEK Secondary Telescopic Crowns on Implant Retained Mandibular Overdenture.
The aim of this randomized clinical trial was to compare I- The clinical behavior of implant retained removable overdenture using telescopic retention system fabricated using CAD\CAM techniques where the effects of the different…
- Trial name
- NCT06637930
- Testing
- Edentulous Alveolar Ridge In Mandible
- Where
- Egypt
- Volunteers
- 12 people
- Sponsor
- Amr El Sayed Khalifa
Root Canal Infection, Tooth Defect
Clinical Trial of Modified Endocrown and Personalized Post-core and Crown for Large-area Tooth Defects After Root Canal Treatment
This study intends to adopt a multicenter, randomized controlled, single-blind, non-inferiority clinical trial design. 246 premolars that meet the inclusion criteria after complete root canal treatment will be selected from the…
- Conditions
- Root Canal Infection, Tooth Defect, Post and Core Technique
- Trial name
- NCT07206108
- Testing
- modified endocrown
- Where
- China
- Volunteers
- 246 people, healthy volunteers welcome
- Sponsor
- Nanfang Hospital, Southern Medical University
Altered Passive Eruption
Comparing Two Techniques to Treat Gummy Smile Patients: Flapless Piezo-surgery Versus Conventional Open Flap Surgery.
The goal of this clinical trial is to compare and evaluate the effectiveness of conventional surgery and Piezo-surgery for the treatment of gummy smile.
- Trial name
- Piezo-Gum (NCT07887438)
- Testing
- piezo-electric surgery, conventional open flap crown lengthening
- Where
- Egypt
- Volunteers
- 30 people
- Sponsor
- Suez Canal University
Caries Active
Bioceramic Putty Versus MTA in Pulpotomized Primary Teeth to be Covered With 3D Printed Resin Crowns Versus Stainless Steel Crown
children aged 5 to 7 years with deep carious second primary molars that require vital pulp therapy will be treated using either MTA or bioceramic putty, then will be fully covered using either stainless steel crowns or 3D printed…
- Trial name
- NCT07344038
- Testing
- Endo-sequence bioceramic putty pulpotomy, Bio MTA+ pulpotomy, Stainless Steel Crowns (SSCs)
- Where
- Egypt
- Volunteers
- 60 people
- Sponsor
- Alexandria University
Dental Caries, Gingival Inflammation
DETERMINATION OF THE EFFECTS OF STAINLESS STEEL CROWNS CEMENTED WITH RESIN CEMENTS ON INTERLEUKIN-10, 12, 18 LEVELS IN GINGIVAL CREVICULAR FLUID
This split-mouth clinical study aimed to evaluate the early effects of stainless steel crowns cemented with self-adhesive resin cement and high-viscosity glass ionomer cement on clinical periodontal parameters and interleukin-10…
- Conditions
- Dental Caries, Gingival Inflammation, Periodontal Response to Dental Restorative Materials
- Trial name
- SSC-CYTO (NCT07421206)
- Testing
- Self-Adhesive Resin Cement Group, High-Viscosity Glass Ionomer Cement
- Where
- Turkey (Türkiye)
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Afyonkarahisar Health Sciences University
Dental Implant
Long-term Study in Early Loaded Hydrophilic Surface Implants
Objective: To assess the clinical outcomes and patient satisfaction of early loaded implants with a hydrophilic, moderately rough surface for partially edentulous patients after a follow-up of 8.5 to 9.5 years.
- Trial name
- NCT06138392
- Testing
- Dental implant (ELEMENT RC INICELL, Thommen Medical)
- Where
- Switzerland
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of Bern
Extraction, Tooth, Tooth Fracture
Platelet-Rich Fibrin (PRF) vs Bone Graft With Membrane for Ridge Preservation After Tooth Extraction
This study uses a natural material called Platelet-Rich Fibrin (PRF) to help improve healing after tooth removal. PRF is made from your own blood.
- Conditions
- Extraction, Tooth, Tooth Fracture, Tooth Crown Fracture, Root; Fracture
- Trial name
- NCT07595198
- Testing
- Platelet-rich fibrin (PRF), Freeze-dried bone allograft, Collagen barrier membrane
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Ohio State University
Dental Implants
Pink and White Esthetic Scores of Polymer-infiltrated-ceramic-network and Lithium Disilicate Implant Hybrid Abutment Crowns
The aim of this study is to evaluate the effect of polymer-infiltrated-ceramic-network hybrid ceramic on pink and white esthetics in comparison with lithium disilicate.
- Trial name
- NCT03220321
- Testing
- PICN (VITA Enamic) hybrid abutment crown, Lithium disilicate (IPS e.max) hybrid abutment crown
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Cairo University
Crown Lengthening, Pain Postoperative
Aesthetic Crown Lengthening: Laser Impact on Pain Perception and Perceptions on Self-esteem and Quality of Life
Gummy smile is a condition that promotes a disharmonious smile, altering confidence and decreasing self-esteem of many patients. Luckily, this problem in most cases is easily solved by aesthetic crown lengthening surgery.
- Conditions
- Crown Lengthening, Pain Postoperative, Self Concept
- Trial name
- NCT06830434
- Testing
- Crown lengthening surgery
- Where
- Brazil
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Campinas, Brazil
Tooth Decay
Preformed Pediatric Crown Zirconia Versus Preformed Pediatric Metal Crown
Preformed metal pediatric crowns (PPCm) are currently considered the best method of restoring Primary molars affected by severe carious lesions compared to restorations made with various restorative materials (amalgams…
- Trial name
- PPC Z-M (NCT03296709)
- Testing
- PPC z, PPC m
- Where
- 4 sites in France
- Volunteers
- 101 people
- Sponsor
- Centre Hospitalier Universitaire de Nice