Clinical trials: Zirconia Crowns
Dental Crowns
Custom-Made Zirconia Crowns and 3D-Printed Resin Crowns Versus Ready-Made Zirconia Crowns in Primary Molars
The main problem introduced in this study is the aggressive reduction needed for ready-made zirconia crowns to be passively fitted. In addition, its relatively expensive cost and wear of the opposing tooth structure.
- Trial name
- NCT06581510
- Testing
- esthetic dental crowns, control group
- Where
- 2 sites in Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- British University In Egypt
Dental Materials
Clinical Evaluation of Monolithic Zirconia Crowns
The objectives of the present study are to compare the survival rates and possible biological and technical complications of metal-ceramic, and monolithic third-generation zirconia posterior crowns.
- Trial name
- NCT04943315
- Testing
- Monolithic zirconia, Metal-ceramic
- Where
- Spain
- Volunteers
- 70 people
- Sponsor
- Universidad Complutense de Madrid
Dental Caries
Clinical Evaluation of Zirconia Crowns and Anterior Strip Crowns
The hypothesis to be investigated is that no difference will be found upon comparing resin composite strip crowns and NuSmile zirconia crowns (NuSmile ZR) esthetic primary anterior in restoring anterior primary teeth.
- Trial name
- NCT03184012
- Testing
- NuSmile Zirconia crowns by NuSmile company, Composite resin strip crowns by 3M company
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- King Abdulaziz University
Paediatric, Dentistry
Comparative Study Between Zirconia Crowns and Endocrowns in Pulpotomized Primary Molars
Objectives: The new approach of pediatric esthetic dentistry intended to achieve a healthy beautiful smile rather than achieving only a beautiful smile.
- Trial name
- NCT04073901
- Testing
- Endocrowns
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Nahda University
Carious Primary Molars
Occlusal Wear Of Bioflx Crowns Compared To Zirconia Crowns On Primary Molars
The goal of this clinical trial is to evaluate the occlusal wear of Bioflx crowns compared to zirconia crowns in the restoration of primary molars.
- Trial name
- NCT06890949
- Testing
- (Group A: Preformed Bioflx Crown), (Group B: Preformed Zirconia crown)
- Where
- Egypt
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Cairo University
Pulpotomy, Tooth Restoration
3D-printed Endocrowns Versus Prefabricated Zirconia Crowns in Pulpally-treated Primary Molars
Aim of the study : to compare between 3D printed microfilled hybrid composite endocrowns and prefabricated zirconia crowns for restoring pulpally treated primary molars regarding the following aspects: In Vivo aspects Patient…
- Trial name
- NCT04909827
- Testing
- 3D-printed endocrown, Zirconia crown
- Where
- Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Ain Shams University
Carious Primary Molars
Retention of Bioflx Crowns Compared to Zirconia Crowns on Primary Molars
The goal of this clinical trial is to evaluate the retention and resistance to dislodgment of Bioflx crowns compared to zirconia crowns in the restoration of primary molars.
- Trial name
- NCT06856070
- Testing
- (Group A: Preformed Bioflx crown), (Group B: Preformed Zirconia crown)
- Where
- 2 sites in Egypt
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Cairo University
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
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
Tooth Diseases
Evaluation Between Zirconia and Stainless Steel Crowns
Introduction and Research Problem: The aim of this project is to evaluate and compare two full coronal restorations on primary posterior molars over a period of 3, 6 and 12 months in terms of restoration failure, marginal…
- Trial name
- NCT03067337
- Testing
- Stainless Steel Crown (Group A), NuSmile Zirconia Crowns (Group B)
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- King Abdulaziz University
Decayed Teeth, Malposed Teeth
One Year Clinical Evaluation of Shade Matching and Patient Satisfaction of New Gradient Technology Monolithic Zirconia (5Y-TZP\3Y-TZP) Compared to Lithium Disilicate Crowns in Dental Esthetic Zone
Although zirconia is widely used for fabrication of restorations, the 3Y-TZP zirconia where limited for posterior region for its high strength and bad esthetic.
- Conditions
- Decayed Teeth, Malposed Teeth, Endodontically Treated Teeth, Teeth Restored With Large Filling Restorations
- Trial name
- NCT04738526
- Testing
- lithium disilicate (IPS e-max) ceramic crown, New gradient technology zirconia (5Y-TZP\ 3Y-TZP) IPS e.max ZirCad Prime ceramic crown, natural tooth
- Volunteers
- 30 people
- Sponsor
- Cairo University
Enamel and Ceramics Wear
Wear Characteristics and Clinical Performance of Lithium Silicate Versus Monolithic Zirconia Crowns.
The aim of the present study is to evaluate the wear characteristics and clinical performance of lithium silicate crowns in comparison to monolithic zirconia crowns.
- Trial name
- NCT03530020
- Testing
- monolithic zirconia crowns, lithium silicate crowns
- Where
- Egypt
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Cairo University
Tooth Loss, Dental Implant, Single-tooth
RCT of BLT Implants Used for Immediate vs Early Placement, Restored With Ceramic Crowns on Titanium Bonding Bases.
The purpose of this study is to assess the outcome of a new bone level tapered implant when inserted either following an immediate placement protocol or an early placement approach and restored with single crowns out of two…
- Trial name
- BLT (NCT05079542)
- Testing
- Timepoint of Implant placement of Bonelevel tapered implants, Material for tooth restoration - Lithiumdisilicate glass ceramic or zirconia
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- University of Geneva, Switzerland
Caries,Dental
Evaluation of Different Cementation Materials Used in Prefabricated Pediatric Zirconia Crowns
Today, with increasing aesthetic demands; the need for materials that are both durable and compatible with the appearance of natural teeth is increasing in paediatric dentistry.
- Trial name
- NCT06690229
- Testing
- glass ionomer cement, self-adhesive resin cement, resin modified glass ionomer cement
- Where
- Turkey (Türkiye)
- Volunteers
- 36 people
- Sponsor
- Aydin Adnan Menderes University
Single Crowns in Aesthetic Dental Zone
One Year Clinical Evaluation of Translucent Zirconia Crowns in Dental Esthetic Zone With Biologically Oriented Preparation Technique (BOPT) Versus Conventional Preparation (Randomized Clinical Trial)
Aim of the studyto evaluate the clinical behavior of translucent zirconia crown in dental esthetic zone with biologically oriented preparation technique versus conventional preparation.
- Trial name
- NCT04320758
- Testing
- conventional preparation design, biologically oriented preparation technique
- Where
- Egypt
- Volunteers
- 22 people
- Sponsor
- Cairo University
Dental Caries in Children
Digital Crowns Versus Prefabricated Crowns on Primary Teeth
Badly decayed primary molars will be treated by performing the pulp therapy technique indicated, then the patients will be randomized into two groups to receive the restorative intervention.
- Trial name
- NCT06305845
- Testing
- Digital crowns, zirconia crowns
- Where
- Egypt
- Volunteers
- 58 people
- Sponsor
- National Research Centre, Egypt
Partial Coverage Restoration
Clinical Outcomes of Zirconia-reinforced Lithium Silicate Partial Coverage Crowns Compared to Lithium Disilicate Partial Coverage Crowns
The purpose of this randomized controlled clinical trial is to evaluate the clinical outcomes of Partial Coverage Restorations fabricated with zirconia-reinforced lithium silicate ceramic system compared to partial coverage…
- Trial name
- NCT02861729
- Testing
- Vita Suprinity, IPS e.max
- Where
- Egypt
- Volunteers
- 46 people, healthy volunteers welcome
- Sponsor
- Cairo University
Crowns, Denture
Removable Partial Denture Abutments Restored With Monolithic Zirconia Crowns
The purpose of this study is to investigate the use of an all-ceramic dental crown material to restore the abutment teeth of partially-edentulous patients who need removable partial dentures (RPD).
- Trial name
- NCT03283709
- Testing
- Full-contour monolithic zirconia abutment crowns, Conventional abutment crowns
- Where
- United States
- Volunteers
- 1 people, healthy volunteers welcome
- Sponsor
- Hiroko Nagaoka
Soft Tissues, Prosthetic
Outcomes on Teeth Prepared With BOPT
The aim of this study is to evaluate the clinical and biological behavior of full coverage restorations on teeth prepared without finish line in a prospective clinical study.
- Conditions
- Soft Tissues, Prosthetic, Outcome
- Trial name
- NCT04403230
- Testing
- Retreatment of teeth prepared without finish line
- Volunteers
- 52 people
- Sponsor
- University of Valencia
Crown of Tooth With Poor Contour
Clinical Performance and Convenience of Four Types of Crowns for Primary Molars
This study will be conducted to assess the clinical performance and convenience of three types of crowns as esthetic alternatives to stainless steel crown for primary molars: The prefabricated commercially available zirconia…
- Trial name
- NCT06456879
- Testing
- extra-coronal restoration type
- Where
- 2 sites in Egypt
- Volunteers
- 80 people
- Sponsor
- Mansoura University