Clinical trials: Crown
Primary Teeth
Evaluation of Bioflex Crowns Endocrowns Compared to Ready-Made Zirconia Crowns on Pulpotomized Primary Molars
This study will be conducted to evaluate clinical performance, parent's satisfaction, gingival health and bacterial effects of Bioflex crowns \&Endocrowns compared to ready-made zirconia Crowns on Pulpotomized primary molars
- Trial name
- NCT06433141
- Testing
- treatment option for primary second molar
- Where
- Egypt
- Volunteers
- 74 people
- Sponsor
- Al-Azhar University
Dental Materials
Clinical Evaluation of Resin Matrix Ceramic Posterior Crowns
The objectives of the present prospective randomized clinical study are to evaluate and to compare the survival and success rates, possible biological and technical complications, and the clinical performance of metal-ceramic…
- Trial name
- NCT05707780
- Testing
- Resin-matrix, Monolithic zirconia, Metal-ceramic
- Where
- Spain
- Volunteers
- 90 people
- Sponsor
- Universidad Complutense de Madrid
Effect of Direct Printed Aligners on Crown Movement
Crown Movement in Cases Treated With Direct Printed Aligners
This study aims to evaluate the efficiency of direct 3D printed aligners in achieving the crown movement of upper and lower incisors in patients with spacing during space closure and to compare them with the predicted tooth…
- Trial name
- DPA (NCT07273435)
- Testing
- Direct printed aligners
- Where
- 3 sites in Egypt
- Volunteers
- 23 people
- Sponsor
- Suez Canal University
Post-operative Pain
Effectiveness of Pre-emptive Analgesics on Post-Operative Pain After Stainless Steel Crown Placement On Primary Molars
The aim of this study is to evaluate the effectiveness of pre-emptive analgesia using ibuprofen and paracetamol on reducing post-operative pain following the placement of stainless steel crowns on primary molars compared to…
- Trial name
- NCT05602064
- Testing
- Ibuprofen, Paracetamol
- Where
- Egypt
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- Alexandria University
Dental Implant Failed
Retrospective Study on Clinical Performance of Screw-retained Implant Crowns
Survival and success rates of all-ceramic implant-supported fixed reconstructions fabricated with CAD/CAM technology after at least one year in function.
- Trial name
- NCT04370314
- Testing
- Dental prosthetics
- Where
- Switzerland
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- University of Bern
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
Endodontically Treated Teeth
Alternative EndoCrowns Designs for Chairside CAD/CAM
This investigation will be a longitudinal clinical trial to study the association of preparation design on the internal and marginal adaptation of the resulting restorations and the long-term clinical performance of chairside…
- Trial name
- NCT04604314
- Testing
- CEREC Tessera
- Where
- United States
- Volunteers
- 69 people
- Sponsor
- University of Michigan
Missing Teeth
Clinical Study on Zirconia Bridges
To evaluate the clinical performance and survival rate of NobelProceraTM Bridge Shaded Zirconia on natural teeth in the posterior region for a period of 5 years.
- Trial name
- NCT01835834
- Testing
- zirconia bridge restoration
- Volunteers
- 9 people
- Sponsor
- University of Siena
Carious Primary Molars
Comparative Evaluation of Gingival Health and Bacterial Adhesion in Bioflx vs. Zirconia Crowns on Primary Molars
The goal of this clinical trial is to evaluate the Evaluation of Gingival Health and Bacterial Adhesion of Bioflx Crowns Compared to Zirconia Crowns on Primary Molars of Bioflx crowns compared to zirconia crowns in the…
- Trial name
- NCT06933927
- Testing
- (Group A: Bioflx crowns), (Group B) : Preformed Zirconia crown
- Where
- Egypt
- Volunteers
- 28 people
- Sponsor
- Cairo University
Wear, Tooth, Wear, Occlusal
Wear of Enamel Antagonist to ZLS Crowns
The aim of this study is to evaluate the antagonist enamel wear of two processing options of Celtra duo crowns (polished and glaze fired) restoring posterior teeth in comparison with sound enamel wear at baseline and 6 months
- Trial name
- zls (NCT04914962)
- Testing
- glazed zirconium lithium silicate, polished zirconium lithium silicate
- Volunteers
- 26 people, healthy volunteers welcome
- 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
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
Alzheimer s Disease, Mild Cognitive Impairment (MCI)
Crownlands Observing Progression With Neurons Study
The CROWN-I Study is an observational study to learn about molecular features of Alzheimer's disease (AD) and mild cognitive impairment (MCI).
- Trial name
- CROWN-I (NCT07611396)
- Where
- United States
- Volunteers
- 160 people, healthy volunteers welcome
- Sponsor
- Crownlands
Socket Preservation, Implant-supported Single Crowns
Hyaluronic Acid and Polynucleotides in Ridge Preservation
The aim of this study is to test the use of a bovine-derived bone graft combined with a polynucleotides-rich hyaluronic acid (PNHA) gel for the preservation of the bone after a tooth extraction (alveolar ridge preservation) and…
- Conditions
- Socket Preservation, Implant-supported Single Crowns, Hyaluronic Acid, CAD-CAM
- Trial name
- P-005 (NCT07099846)
- Testing
- regeneration of post extraction socket with biomaterials
- Where
- 2 sites in Italy
- Volunteers
- 40 people
- Sponsor
- University of Parma
Restoration of Posterior Teeth
Clinical Evaluation of Chairside CAD/CAM Nano-ceramic Restorations
Study aim is to test whether nano-composite CAD/CAM milled restorations have a similar performance in clinical service to conventional ceramic CAD/CAM restorations.
- Trial name
- NCT01464294
- Testing
- Milled ceramic restorations, Milled nano-composite restorations
- Where
- United States
- Volunteers
- 120 people
- Sponsor
- Solventum US LLC
Tooth Wear
Wear of Enamel Against Polished Zirconia Crowns
A randomized, controlled clinical trial is designed to analyze the wear of enamel by opposing polished monolithic zirconia crowns and by the polished veneer surfaces of metal-ceramic crowns.
- Trial name
- NCT02289781
- Testing
- posterior crowns
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Florida
Gummy Smile, Altered Passive Eruption of Teeth
Clinical Evaluation of Gingivalstat Approach Compared to Conventional Esthetic Crown Lengthening on the Stability of The Gingival Margin in Patients With Altered Passive Eruption.
When performing crown lengthening surgery, especially in the esthetic zone, the positional stability of gingival tissues is considered a prime important goal.
- Conditions
- Gummy Smile, Altered Passive Eruption of Teeth, Healthy Participants
- Trial name
- NCT07041541
- Testing
- Esthetic Crown Lengthening, Esthetic Crown Lengthening using GingivalStat approach
- Where
- Egypt
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Cairo University
Carious Primary Molars
Child and Parental Satisfaction of Bioflx Crowns Compared to Zirconia Crowns In Primary Molars
The goal of this clinical trial is to evaluate the child and parents satisfaction of Bioflx crowns compared to zirconia crowns in the restoration of primary molars.
- Trial name
- NCT06897020
- Testing
- (Group A: Bioflx crowns), (Group B: Preformed Zirconia crown
- Where
- Egypt
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Cairo University
Child, Only, Quality of Life
Evaluation of The Effect of Crowns Applied With Hall Technique on Occlusion
This study aims to evaluate and compare the change on occlusion after placing stainless steel crowns (SCC) using Hall technique and conventional technique in children between the ages of 5-8.
- Trial name
- NCT06220383
- Testing
- Hall technique, Conventional technique
- Where
- Turkey (Türkiye)
- Volunteers
- 78 people, healthy volunteers welcome
- Sponsor
- Izmir Katip Celebi University
Full Mouth Rehabilitation, Canine Overlap Relation
Canine Occlusal Relationship Changes After Stainless-Steel Crown Placement Under General Anesthesia
The aim of the study is to Assess and compare canine occlusal relation in children with carious primary molars before they are treated by stainless steel crowns under general anaesthesia and after their placement, evaluate the…
- Conditions
- Full Mouth Rehabilitation, Canine Overlap Relation, General Anesthesia
- Trial name
- NCT04731337
- Testing
- Digital Caliper (Shenzhen Jiabaili Electronic Commerce Co., Ltd)
- Where
- Egypt
- Volunteers
- 178 people
- Sponsor
- Cairo University