Clinical trials: Crowns
Natural Optical Properties
Clinical Evaluation and Patient Satisfaction of Shade Matching Between Natural Teeth and Monolithic All-ceramic Crowns Fabricated From Two Materials
evaluation of color difference between zirconia reinforced lithium silicate (celtra press) VS lithium disilicate (Emax) in relation to natural tooth structure to determine which monolithic material will provide restoration with…
- Trial name
- NCT03779607
- Testing
- Celtra Press
- Volunteers
- 10 people
- Sponsor
- Cairo University
Dental Caries
Stainless Steel Crowns Versus Bulkfill Composite Resin for Restoring Primary Molars After Endodontic Treatment
The pulp therapy in primary teeth is designed to eliminate the infection and keep the tooth in a functional state until its natural exfoliation.
- Trial name
- NCT03186950
- Testing
- Restoration with Stainless Steel Crowns, Restoration using BulkFill CR
- Where
- Brazil
- Volunteers
- 91 people
- Sponsor
- University of Sao Paulo
Dental Implant
Immediate Versus Conventional Loading of Early Placed Dental Implant Supporting Single Crowns
This study focuses on examining the efficacy and clinical performance of immediate loading of early placed single implants. The aim of the randomized controlled trial is to compare between two loading protocols (immediate versus…
- Trial name
- NCT06693297
- Testing
- Immediate loading of early placed implants, Conventional loading of early placed implants
- Where
- Jordan
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Jordan
Primary Molar Tooth, Pulpotomies Primary Teeth
Assessment of Clinical Success of Custom-Made Versus Prefabricated Zirconia Crowns in Pulpotomized Primary Molars
Early childhood caries often results in extensive destruction of primary molars, requiring pulpotomy followed by full-coronal restoration to ensure long-term function and durability.
- Trial name
- NCT07738471
- Testing
- Custom made zirconia crowns, Prefabricated zirconia crown
- Volunteers
- 64 people
- Sponsor
- Cairo University
Gingival Disease
Gingival Health After Zirconia Versus Stainless Steel Crowns in Children
The goal of this clinical trial is to learn if prefabricated zirconia crowns (PZCs) improve gingival health compared to stainless steel crowns (SSCs) in primary molars of young children.
- Trial name
- NCT07436325
- Testing
- Prefabricated Zirconia Crown, Stainless steel crown
- Where
- Saudi Arabia
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Murad Alrashidi
Tooth Diseases
Angulated Screw-retained Crowns Following Immediate Implant Placement
There are two choices of restorations and implant abutments connection now: cemented and screw-retained.The excess cement, which would be difficult to completely remove, might lead to series of biological complications.
- Trial name
- NCT04160247
- Testing
- Immediate implant placement, Angulated screw-retained crowns placement, Cemented crowns placement
- Where
- China
- Volunteers
- 40 people
- Sponsor
- Shanghai Ninth People's Hospital Affiliated to Shanghai Jiao Tong University
Gingival Recession, Localized
Gingival Response and Marginal Adaptation of Zirconia Crowns With Two Subgingival Margin Designs
The aim of the study is to evaluate the effect of feather edge finish line and deep chamfer finish line on gingival position, bleeding on probing and marginal adaptation.
- Trial name
- NCT04729569
- Testing
- Feather edge finish line preparation, Deep chamfer finish line preparation
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Cairo University
Partial-edentulism
Zirconia Implants for Replacement of a Single Tooth
First, the surgical insertion of a ceramic (zirconia) dental implant will be performed in a single-tooth gap according to current state-of-the-art protocols. After a 3-months healing phase, a ceramic tooth replacement (a.k.a.
- Trial name
- NCT04695899
- Testing
- Dental Implant
- Where
- Switzerland
- Volunteers
- 14 people
- Sponsor
- University of Bern
Crown Lengthening
Gingival Margin Stability Following Esthetic Crown Lengthening Utilizing a Double Periodontal Surgical Guide
In patients with excessive gingival display, esthetic crown lengthening procedure by means of scalpel, diode laser or electro-surgery could result in the same gingival marginal stability at 3 and 6 months follow up.
- Trial name
- NCT06397521
- Testing
- Crown lengthening
- Where
- Egypt
- Volunteers
- 21 people
- Sponsor
- Ain Shams University
Crown Lengthening, Crown Lengthening Procedure With Ostectomy
Comparison of Er:YAG Assisted Laser Crown Lengthening Against Surgical Crown Lengthening
Crown lengthening is a clinical procedure that involves reshaping the gingiva, and sometimes bone, in order to expose more of tooth's structure. The procedures is performed for both functional and aesthetic reasons.
- Conditions
- Crown Lengthening, Crown Lengthening Procedure With Ostectomy, Laser, Piezoelectric Technique
- Trial name
- NCT07653802
- Testing
- conventional surgical crown lengthening by opening envelop flap, crown lengthening using Er:YAG Laser
- Where
- United Arab Emirates
- Volunteers
- 26 people, healthy volunteers welcome
- Sponsor
- Gulf Medical University
Healthy Children
Clinical Performance and Antibacterial Effect of Alkasite Bioactive Material in Restoring Pulpotomized Primary Molars
The study aims to evaluate the clinical performance of Cention-Forte (CF) material in the restoration of pulpotomized second primary molars compared to conventional stainless steel crowns (SSC), and also to assess the…
- Trial name
- NCT07094854
- Testing
- Cention Forte alkasite bioactive restorative material, Stainless steel crown
- Where
- 2 sites in Egypt
- Volunteers
- 40 people
- Sponsor
- Noha Fouad
Gingivitis and Periodontal Diseases, Tooth Loss
Cement Excess at Single Implant Crowns Malmö/Lund
Abstract Aim: The primary aim of this study is to test whether or not cement residues in the submucosal environment of implants lead to a change in the microbiota and induce inflammation of the periimplant tissues.
- Trial name
- NCT04015427
- Testing
- implant crown
- Where
- Sweden
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University of Zurich
Piezotome, Implant-supported Single Crowns
Piezotome Atraumatic Tooth Extraction And Immediate Implant Placement In Maxillary Anterior Region
Tooth extraction is critical for dental treatment complications followed by immediate implant placement to restore the extracted tooth .
- Trial name
- NCT07041879
- Testing
- maxillary anterior teeth atraumatically extracted with piezotome extraction kit, and subsequent immediate implant placement, maxillary anterior teeth atraumatically extracted with periotome, and subsequent immediate implant placment
- Where
- Egypt
- Volunteers
- 30 people
- Sponsor
- Alexandria University
Partial Edentulism
Effect of Alveolar Ridge Preservation on Implant Esthetic Outcomes
The purpose of this study is to evaluate esthetic outcome of implant supported single crowns after alveolar ridge preservation with beta three calcium phosphate with collagen type I in aesthetic region in upper jaw.
- Trial name
- NCT02507661
- Testing
- preservation of alveolar ridge with beta tricalcium phosphate + collagen - 2 months, no-preservation of alveolar ridge - 2 months, preservation of alveolar ridge with beta tricalcium phosphate + collagen - 4 months
- Where
- Serbia
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Belgrade
Dental Crowns
The Clinical Performance of Inlay Zirconia Bridges
When missing tooth structure or teeth are replaced, minimal biologic risk should be involved to re-establish function and esthetics.
- Trial name
- NCT02995876
- Testing
- Glaze layer, E-max Press layer
- Where
- Syria
- Volunteers
- 30 people
- Sponsor
- Damascus University
Tooth Decay
Clinical and Radiographical Evaluation of Two Types of Composite Materialsstrip Crown in Primary Molars
Alterations in oral health of children interfere with their quality of life. Dental caries is the most common public health problem of children .
- Trial name
- NCT05908136
- Testing
- restorative materials
- Where
- Egypt
- Volunteers
- 36 people
- Sponsor
- Al-Azhar University
Hypertension
Implementation of a Beauty Salon-Based Strategy for Blood Pressure Management Among Women
CROWN is a two-arm, cluster-randomized pilot trial testing the feasibility and preliminary efficacy of a salon-based cardiovascular intervention - training stylists as Heart Health Stylists to conduct in-salon blood pressure…
- Trial name
- CROWN (NCT07042386)
- Testing
- CROWN Intervention, Enhanced Usual Care
- Where
- United States
- Volunteers
- 144 people, healthy volunteers welcome
- Sponsor
- Johns Hopkins University
Obesity, Menopause
A Cohort Research of Genetic Susceptibility for Common Obesity in Women
Not many studies examined genetic determinants of obesity in women. As pre-menopausal and post-menopausal women appear to have different propensities for fat deposition, genetic loci linked with obesity-related phenotypes might…
- Trial name
- CROWN (NCT01488903)
- Where
- Taiwan
- Volunteers
- 1,200 people, healthy volunteers welcome
- Sponsor
- Taipei Veterans General Hospital, Taiwan
Badly Decayed Primary Molars, Preformed Pediatric Posterior Crowns
Evaluation of Bioflex and Zirconia Crowns Versus Stainless Steel Crowns on Primary Molars: Randomized Controlled Clinical Trial
The goal of this clinical trial is to evaluate the clinical effectiveness of bioflex crowns and zirconia crowns compared to stainless steel crowns when restoring primary molars 45 participant who their ages range between 6 and 8…
- Trial name
- NCT07156838
- Testing
- bioflex crown, zerconia crown, stainless steel crown
- Where
- Egypt
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Alexandria University
Dental Restoration, Dental Implant
Prosthetic Outcomes and Clinical Performance of Implant Supported Zirconia Crowns
To compare biological, technical, radiographic, and patient-reported outcomes of two types of monolithic zirconia crowns screw-retained to implant.
- Trial name
- NCT06417632
- Testing
- Graded Zirconia Crown, Conventional Zirconia Crown
- Where
- Jordan
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Jordan