Clinical trials: Dental Crown
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
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
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
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
Edentulous Alveolar Ridge
Dimensional Changes in Single Crowns Supported by Short Transmucosal Implants With Diverging or Converging Neck Profiles in the Esthetic Zone
The goal of the present randomized clinical trial is to assess the long-term osseous and peri-implant soft tissue changes as well as the success rate of short implants (6 mm) with a converging collar with micro threads or a…
- Trial name
- NCT06006156
- Testing
- Dental implants placement
- Where
- Peru
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- ARDEC Academy
Coronary Artery Disease, Left Ventricular Cardiac Dysfunction
Clinical Outcome of Coronary Artery Bypass Graft Surgery Versus Percutaneous Coronary Intervention in Patients With Severe Left Ventricular Disfunction (CROWN)
The objective of this study is to evaluate the best treatment strategy in patients with critical coronary artery disease and severe left ventricular dysfunction.
- Trial name
- CROWN (NCT07817524)
- Where
- Italy
- Volunteers
- 300 people
- Sponsor
- Fondazione Policlinico Universitario Agostino Gemelli IRCCS
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
Healthy Adult Participants, Tooth Fracture
The Impact of Adhesion Strategy on the Clinical Performance Of Indirect Dental Restorations
The goal of this clinical trial is to evaluate whether different cement systems influence the clinical outcome of posterior tooth supported zirconia crowns in adult patients requiring single crown restorations.
- Trial name
- NCT07644676
- Testing
- Resin cement, Glass-ionomer cement
- Where
- 2 sites in Sweden
- Volunteers
- 110 people
- Sponsor
- Malmö University
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
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
Pain, Postoperative
Micro-surgical Treatment of Gummy Smile
Compare pain response following microsurgical conventional flap approach using Piezosurgery versus flapless approach for esthetic crown lengthening in management of patients with short clinical crowns in the upper anterior region.
- Trial name
- NCT04401826
- Testing
- Tunneling micro-surgical crown lengthening approach using piezo-surgery, Micro-surgical crown lengthening approach using Piezosurgery
- Where
- Egypt
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Cairo University
Peri Implantitis
a Randomized Clinical Trial Evaluating Plaque Removal Around Dental Implants
This aim of this study is to compare different oral hygiene aids for the ability to remove plaque in patients who went through dental implant treatment and are currently on a maintenance program at the Graduate Periodontal…
- Trial name
- NCT02091609
- Testing
- dental interproximal brush, dental floss
- Where
- Canada
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- University of Manitoba
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
Other Unsatisfactory Restoration of Tooth
A Clinical Trial of an Acetal Resin Crown for Restoration of Primary Molars
Preformed stainless steel crowns have been used in Pediatric Dentistry to restore badly broken down primary teeth since 1950. They are generally considered more expedient to place than large multi-surface amalgam or composite…
- Trial name
- NCT01359475
- Testing
- Acetal crown, LD Caulk ltd, USA
- Where
- Israel
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- Uri Zilberman
Primary Teeth
Direct Resin Composite Restoration of Primary Anterior Teeth Using Custom 3D Printed Templates
Esthetic restoration of primary anterior teeth is challenging. Aim of the study: Evaluation of the 12-month clinical performance of direct resin composite restoration of carious vital primary anterior teeth using custom 3D…
- Trial name
- RCT (NCT06478004)
- Testing
- Direct composite restoration of carious primary anterior teeth using custom 3D printed templates, Direct composite restoration of carious primary anterior teeth using conventional strip crowns
- Where
- Egypt
- Volunteers
- 32 people
- Sponsor
- Minia University
Dental Caries
Indirect Pulp Capping Versus Hall Crown Technique for the Management of Deep Dentinal Caries of Primary Molars.
This is a randomized clinical trial that aims to compare the clinical and radiographic success of Hall technique (HT) versus Indirect pulp capping (IPC) for the management of deep dentinal caries in primary molars and to compare…
- Trial name
- NCT07136155
- Testing
- Hall Technique, Indirect pulp capping
- Where
- Jordan
- Volunteers
- 120 people
- Sponsor
- King Abdullah University Hospital
Periapical Diseases
Apicoectomy Longterm Results
The purpose of the study is to evaluate the longterm treatment results after micro-surgical root resection of teeth with post and core and crown.
- Trial name
- NCT03108183
- Testing
- x-rays
- Where
- Austria
- Volunteers
- 73 people
- Sponsor
- Medical University of Graz
Pancreas Neoplasm, Pancreas Cancer
Novel Crown-cut Biopsy Needle (FNB) vs Standard Aspiration Needle (FNA) for EUS-guided Diagnosis of SPLs
The aim of this study is to compare tissue quality and molecular yield between a novel crown-cut biopsy needle (FNB) and a standard aspiration needle (FNA) for EUS-guided diagnosis of solid pancreatic lesions.
- Trial name
- NCT04687410
- Testing
- ProControl, MediGlobe, TopGain, Medi-Globe
- Where
- Denmark
- Volunteers
- 68 people
- Sponsor
- Peter Vilmann MD, DSc, HC, FASGE
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