Clinical trials: Crowns
Clinical, Primary Teeth
Clinical Evaluation of Bioflx Crowns in Restoring Primary Anterior Teeth
This randomized controlled clinical trial evaluates and compares the clinical success and performance of prefabricated Bioflx crowns versus conventional Celluloid strip crowns in the restoration of badly decayed or traumatized…
- Conditions
- Clinical, Primary Teeth, Restoration, Crown
- Trial name
- NCT07883187
- Testing
- Bioflx Crown Restoration (Group I), Celluloid Strip Crown Restoration (Group II)
- Where
- Egypt
- Volunteers
- 40 people
- Sponsor
- Tanta University
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
3d Printing Ceramic Restoration, Nanoceramic Crown Restoration for Posterior Teeth
Clinical Evaluation of Three-Dimensional (3D) Printing Resin Nanoceramic Crown Restoration.
This study aims to evaluate the function and aesthetics of ceramic-filled hybrid resin permanent crowns produced by 3D printing method in posterior teeth according to Revised FDI criteria.
- Trial name
- NCT07228572
- Testing
- 3D printing hybrid ceramic crown restorations
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people
- Sponsor
- Ege University
Tooth Loss, Maxillary Premolar Area
Sleeved vs. Sleeveless Guides for Immediate Implant Placement
This study aims to compare implant placement accuracy using sleeved versus sleeveless static surgical guides for immediate implant placement in the premolar region.
- Conditions
- Tooth Loss, Maxillary Premolar Area, Immediate Dental Implant Placement, Guided Implant Placement
- Trial name
- S2S-IG RCT (NCT07845890)
- Testing
- Conventional Sleeved Static Surgical Guide, Sleeveless Static Surgical Guide
- Where
- Egypt
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Mansoura University
Tooth Loss in the Esthetic Zone Requiring Immediate Implant Placement, Guided Immediate Implant Placement
Silicate β-TCP vs Extended Sticky Bone for Peri-Implant Jumping Gap in Guided Immediate Implants: RCT
This randomized clinical trial compares three peri-implant jumping gap management approaches following fully guided immediate implant placement in the maxillary esthetic zone.
- Conditions
- Tooth Loss in the Esthetic Zone Requiring Immediate Implant Placement, Guided Immediate Implant Placement, Bone Grafting, Customized Healing Abutment
- Trial name
- JUMP-ESTHETIC (NCT07700706)
- Testing
- No Grafting, Silicate-Added β-TCP Putty, Extended Sticky Bone
- Where
- Egypt
- Volunteers
- 72 people
- Sponsor
- Mansoura University
Artificial Intelligence in Dental Crown Design, Tooth Crown Restoration
Clinical Evaluation of AI-Driven Designed Single Crowns
This clinical study compares tooth-supported single crowns designed by a dental technician and by an artificial intelligence (AI) driven automated design method.
- Conditions
- Artificial Intelligence in Dental Crown Design, Tooth Crown Restoration, Dental Restorations
- Trial name
- NCT07834957
- Testing
- Dental Technician Crown Design, AI-Driven Automated Crown Design
- Where
- Turkey (Türkiye)
- Volunteers
- 47 people
- Sponsor
- Hacettepe University
Bite Force, Masseter Muscle
Postoperative Bite Force After Bioflx and Zirconia Crowns in Children
This randomized clinical trial aims to compare postoperative bite force following full-crown restoration with preformed Bioflx and zirconia crowns in children undergoing comprehensive dental treatment under general anesthesia.
- Conditions
- Bite Force, Masseter Muscle, Zirconia Crowns, Primary Molars
- Trial name
- NCT07825103
- Testing
- Preformed Bioflx Crown, Preformed Zirconia Crown
- Where
- Egypt
- Volunteers
- 30 people
- Sponsor
- Tanta University
Crowns, Tooth Preparation
Clinical Outcomes of Biologically Oriented Preparation Technique
This study aims to evaluate the periodontal response of teeth prepared with a biologically oriented preparation technique (BOPT) compared to conventional preparation for all-ceramic crowns.
- Trial name
- NCT06496828
- Testing
- Biologically-oriented preparation technique, Conventional method of preparation
- Where
- Syria
- Volunteers
- 60 people
- Sponsor
- Damascus University
Dental Crowns
Prospective Clinical Evaluation of Posterior Single-tooth Zirconia Ceramic Restorations
This prospective, controlled, open clinical product surveillance trial will evaluate the performance of posterior zirconia ceramic crowns over 24 months
- Trial name
- NCT07797972
- Testing
- IPS e.max® ZirCAD Prime Esthetic
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- University of Pennsylvania
Bite Force, Stainless-steel Crown
Bite Force Recovery Following Pediatric Full Crown Restorations
A component of masticatory function is bite force. Dental caries is one factor that contributes to poor dental health, which has an overall negative influence on quality of life.
- Conditions
- Bite Force, Stainless-steel Crown, Masseter Muscle
- Trial name
- NCT07786805
- Testing
- Preformed BioFlx Crown, Preformed Stainless Steel Crown
- Where
- Egypt
- Volunteers
- 30 people
- Sponsor
- Tanta University
3D Printed Crowns
3D-printed Crowns Versus Prefabricated Stainless-Steel Crowns for Intermediate Restoration of Compromised First Permanent Molars
The study will evaluate the clinical performance and both patient and parent satisfaction of 3d printed crowns versus prefabricated Stainless-steel crowns (SSCs) in compromised first permanent molars
- Trial name
- NCT06047925
- Testing
- 3D printed crown, stanless steel crown
- Where
- Egypt
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Ain Shams University
Zirconia Crowns
Custom-made Zirconia Crowns Versus Prefabricated Zirconia Crowns in Young Permanent Molars
This study aims to compare the clinical performance of Prefabricated Zirconia Crowns (PZCs) with that of Custom-made Zirconia Crowns (CZCs) using enhanced clinical protocols.
- Trial name
- NCT07704151
- Testing
- Prefabricated Zirconia Crown, Custom-made Zirconia Crowns
- Where
- Jordan
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Jordan University of Science and Technology
Tooth Loss and Rehabilitation With Telescopic Crown Prostheses
Rigid Versus Non-Rigid Digitally Fabricated Telescopic Double Crown Prosthesis
This study aims to compare the clinical and patient satisfaction outcomes of rigid versus non-rigid digitally fabricated telescopic double crown prostheses supported by teeth and implants.
- Trial name
- NCT07682623
- Testing
- Rigid telescopic double crown prosthesis, Non-rigid telescopic double crown prosthesis
- Volunteers
- 10 people
- Sponsor
- Mansoura 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
Dental Implants, Single-tooth, Crown
Immediate Loading of Implants in the Aesthetic Zone Using Three-dimensionally Printed Provisional Crowns: a 1-year Prospective Case Series Study
Background There is a growing tendency to place a provisional crown immediately following implant placement. Clinical advantages are shortening of treatment duration and soft tissue guiding during healing resulting in better…
- Trial name
- NCT07629752
- Where
- Netherlands
- Volunteers
- 30 people
- Sponsor
- University Medical Center Groningen
Dental Esthetic, Dental Care for Children, Dental Crowns
Prefabricated CAD/CAM PEEK Crowns For Primary Molars Restoration
This Split-mouth randomized clinical trial aims to evaluate CAD/CAM prefabricated Polyether ether ketone crowns for primary molars restoration after pulpotomy compared to Stainless steel crowns Over follow-up periods of 3, 6, and…
- Trial name
- NCT07618871
- Testing
- Prefabricated CAD/CAM PEEK with 0.2 mm thickness, Prefabricated CAD/CAM PEEK with 0.4 mm thickness, CAD/CAM-fabricated PEEK Crowns
- Where
- Syria
- Volunteers
- 60 people
- Sponsor
- Arab International University
Oral Health, Pediatric Dentistry
Periodontal Biocompatibility of Pediatric Crowns
Different full-coverage crown materials are widely used in pediatric dentistry for the restoration of primary teeth with extensive substance loss.
- Conditions
- Oral Health, Pediatric Dentistry, Stainless-steel Crown, Matrix Metalloproteinase
- Trial name
- NCT07611292
- Testing
- Clinical periodontal assessments, GCF measurements and sample collection
- Where
- Turkey (Türkiye)
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- Recep Tayyip Erdogan University Training and Research Hospital
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
Carious Lesion, Ready-made Crowns
The Relation Between Oral Hygiene and Microbial Load in the Oral Cavity After Restoring Primary Molars With Two Types of Ready-made Crowns
Following the restoration of primary molars with stainless steel and bioflex crowns, an evaluation of the current state of oral hygiene in relation to the amount of microorganisms and gingival health in the oral cavity will be…
- Trial name
- bioflex crown (NCT06767670)
- Testing
- stainless steel crown, bioflex crown
- Where
- 2 sites in Egypt
- Volunteers
- 40 people
- Sponsor
- Al-Azhar University
Dental Occlusion, Crowns
Occlusal Adjustment Time and Volume for Single Unit Fixed Prosthesis Fabricated With Different Virtual Mounting
Regardless of the fabrication workflow occlusal adjustments seem to be inevitable during delivery of indirect fabrication of the restoration.
- Trial name
- NCT05471024
- Testing
- Digitized Mounted Articulator Scan, Average Positioning on Virtual Bonwill Triangle, Digital Face Scan
- Where
- Egypt
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- Cairo University