Clinical trials: Crowns
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
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
Dental Caries in Children
Different Luting Cements for Pediatric Zirconia Crowns
The study aims to compare the efficacy of using bioactive cement versus resin-cement for cementation of anterior pediatric zirconia crowns.
- Trial name
- NCT07152561
- Testing
- Zirconia crown cemented with Predicta® Bioactive Cement, Zirconia crown cemented with resin-cement
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Cairo 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
Teeth, Endodontically-Treated, Anterior Teeth
Clinical Evaluation of Laminate Veneers With Coronal Post Versus Post and Core Foundation Restoration With Single Crown for Restoration of Endodontically Treated Anterior Teeth (Randomized Controlled Trial) "In-vivo Study"
Clinical evaluation of Laminate veneers with coronal post versus post and core foundation restoration with single crown for restoration of endodontically treated anterior teeth (Randomized Controlled Trial) "In-vivo Study"
- Trial name
- NCT03314545
- Testing
- laminate veneer with coronal post, post,core and crown
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Cairo University
Posterior Single Edentulous Sites
Monolithic Zirconia Posterior Single Crowns: a Randomized Clinical Trial.
Monolithic Zirconia Posterior Single Crown cost-efficiency study. Objective and subjective analysis will be performed through FIPS and PROMs scales to evaluate treatment quality outcomes.
- Trial name
- NCT06865209
- Testing
- Monolithic Zirconia Posterior Single Screw Retained Implant Crowns
- Where
- Spain
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Barcelona
Periodontal Disease, Gingival Disease
Evaluation of Gingival Health Parameters in Hybrid CAD / CAM Crowns Produced After Different Retraction Processes
Clinically, the gingival retraction dentistry itself has found wide uses. It has achieved the use of subgingival and gingival crowns in fixed prostheses, cervical abrasion in restorative dentistry, management of root caries and…
- Trial name
- NCT03816930
- Testing
- mechanical cord usage
- Where
- Turkey (Türkiye)
- Volunteers
- 52 people, healthy volunteers welcome
- Sponsor
- Yuzuncu Yil University
Partial Edentulism
Nobel Procera Crown Shaded Zirconia and NobelProceraTM Full Contour Crown IPS e.Max CAD
Open, controlled, 5-year, prospective, clinical, multi-center study. A total of 143 adult patients will be treated. Female or male, with an age range from 18 (or age of consent) to 70 years, provided they fulfill the inclusion…
- Trial name
- NCT02188212
- Testing
- NobelProcera Crown Shaded Zirconia
- Where
- Germany
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- Nobel Biocare
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
Failure of Dental Prosthesis
Comparison of Two Implant Prosthetic Pathways
To assess and compare the esthetic outcome and clinical performance of anterior maxillary all ceramic implant single crowns based either on prefabricated zirconia abutment veneered with pressed ceramics or on a CAD/CAM…
- Trial name
- NCT02905838
- Testing
- Anatomic e.max Abutment, CAD/CAM CARES Abutment
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Bern
Dental Restorations in Children, Pediatric Dentistry
3D-Printed Resin Crowns Versus Bioflx Crowns in Primary Molars
This randomized comparative clinical trial will evaluate and compare the clinical performance of preformed three-dimensional (3D)-printed resin crowns and Bioflx crowns in children with pulp-treated primary molars requiring full…
- Trial name
- NCT07902570
- Testing
- Preformed 3D-Printed Resin Crown, Bioflx Crown
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Faculty of Dental Medicine for Girls
Dental Trauma
Evaluation of Functional Versus IADT Splinting Times on Tooth Mobility After Surgical Extrusion
The objective of this study is to compare functional splinting time effect versus the suggested splinting time of (IADT) effect on tooth mobility and possible healing outcomes for surgically extruded permanent anterior teeth with…
- Trial name
- NCT03700866
- Testing
- Functional splinting time
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- Cairo University
Dental Crown, Prosthesis
Basic Study of Fabricating Biomorphic Crowns
The purpose of this study is to compare among different designs of the occlusal surface of artificial crowns, trying to determine a guidance of fabricating artificial crowns with better mimesis of the original tooth crown in…
- Trial name
- NCT02609178
- Testing
- FGP, AVR
- Where
- China
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Air Force Military Medical University, China
Body Fat Disorder
CoolSculpting in the Abdomen Using Applicator With and Without CCI
Evaluate the safety and efficacy of non-invasive subcutaneous fat layer reduction in the abdomen using an applicator with the Crown Cooling Insert.
- Trial name
- CCI (NCT02787850)
- Testing
- CoolSculpting Treatment
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Zeltiq Aesthetics
Caries, Dental
Comparing Hall vs Conventional Technique in Placing Preformed Metal Crowns From Sudan
Preformed metal crowns (PMCs) have high success rates in restoring primary molars in children but they were not generally used by dentists, especially in developing countries due to its demand of high clinical skills with the…
- Trial name
- NCT03640013
- Testing
- Hall Technique PMC
- Volunteers
- 103 people, healthy volunteers welcome
- Sponsor
- Khartoum Centre for Research and Medical Training
Dental Plaque, Oral Biofilm
Investigation of Biofilm Formation on Temporary push-on Rings of Implant Crowns
This in-vivo study investigates early (48h), mature (2 weeks) and long-term (3 months) biofilm formation and composition on temporary push-on cones (exchangeable conical rings) made of noble-alloy-based materials (Pagalinor, PA)…
- Conditions
- Dental Plaque, Oral Biofilm, Peri-implantitis
- Trial name
- NCT05122897
- Testing
- Rings made of PA (test), Rings made of TAN (control)
- Where
- Switzerland
- Volunteers
- 33 people, healthy volunteers welcome
- Sponsor
- University Hospital, Basel, Switzerland
Dental Implant Failed, Peri-implant Mucositis
Erythritol vs Ultrasonic Scaler Prophylaxis Systems on Dental Implants With Crowns Made by Different Materials
The aim of the study is to assess which prophylaxis methods is the most suitable for peri-implant hygiene between erythritol and ultrasonic scaler with peek inserts. A randomized clinical trial will be conducted on the patient.
- Conditions
- Dental Implant Failed, Peri-implant Mucositis, Peri-Implantitis
- Trial name
- NCT06288919
- Testing
- Erythritol prophylactic powders, Ultrasonic scaler with peek inserts
- Where
- Italy
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- University of Pavia
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
Patients in Need of Surgical CL in the Anterior Maxillary Sextant for Restorative Purposes
One- Versus Two-Stage Aesthetic Crown Lengthening
This randomized controlled trial was aimed at assessing the efficacy of a two-stage crown lengthening intervention (SCL) for restorative purposes in the aesthetic zone compared with a one-stage crown lengthening procedure (CCL).
- Trial name
- NCT04409366
- Testing
- Conventional Crown Lengthening (CCL), Two-stage Crown Lengthening (SCL)
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Universidad Complutense de Madrid
Surface Finish, Wear
Clinical Trial for Printed Implant Resin Crowns
The goal of this clinical trial is to assess the clinical performance of printed resinous implant crowns with two surface finishing protocols-mechanical polishing versus glazing.
- Trial name
- NCT07113509
- Testing
- mechanical polishing, glazing
- Where
- Turkey (Türkiye)
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Ege University