Clinical trials: Crown
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
Proximal Contacts, Zirconia Crowns
Proximal Contact Tightness of Zirconia Crowns: Digital Intraoral Scanning vs Conventional Impressions
We will be comparing the proximal contacts of zirconia crowns and adjacent natural teeth in two groups. One receiving crowns fabricated via digital intra oral scanning means.
- Trial name
- PCT (NCT07142746)
- Testing
- Digital intra oral scanning, Conventional impression
- Where
- Pakistan
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Armed Forces Institute of Dentistry, Pakistan
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
Partial-edentulism
One-piece and Two-piece Zirconia Abutments in Single Implant Crowns in Esthetic Region
The goal of this clinical trail is to evaluate the clinical, radiological and immunological outcomes of the one-piece zirconia abutments (OPZAs) and two-piece zirconia abutments (TPZAs) with friction-fitted titanium bases in…
- Trial name
- NCT05583123
- Testing
- restored abutment (OPZAs), restored abutment (TPZAs)
- Where
- China
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Shanghai Ninth People's Hospital Affiliated to Shanghai Jiao Tong University
Jaw, Edentulous, Partially
Effects of Splinted or Non-splinted Single-unit Crowns on Marginal Bone-level Alterations Around Implants
The microthreaded and platform switched implants could control the stress in the suitable range. The splint would disturb the function.
- Trial name
- NCT02880891
- Testing
- prothetic procedure
- Where
- China
- Volunteers
- 20 people
- Sponsor
- Peking University
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
Tooth Eruption Disorder
Digital Planning and Guided Dual Technique in Aesthetic Crown Lengthening
Excessive gingival exposure, commonly named gingival smile, results in a dentogingival disharmony. One of the gingival smile treatment is the aesthetics-related crown lengthening surgery (ACL) to provide a adequate clinical crown…
- Trial name
- NCT04922086
- Testing
- Conventional aesthetic crown lengthening surgery, Guided dual aesthetic crown lengthening surgery
- Where
- Brazil
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Universidade Federal de Alfenas
Patient Satisfaction, Gingival Bleeding
Patient Satisfaction , Marginal Adaptation And Biocompatibility of Milled Biohpp Polyetheretherketone (PEEK) Single Anterior Crowns Veneered With Two Different Techniques.
Research question For patients in a need for anterior crown, does the use of Milled BioHPP PEEK copings veneered with CAD/CAM composite resin offer better patient satisfaction, marginal adaptation and biocompatibility when…
- Trial name
- NCT04914325
- Testing
- peek
- Where
- Egypt
- Volunteers
- 32 people
- Sponsor
- Cairo University