Clinical trials: Crowns
Crowns (MeSH Unique ID: D003442), Single Tooth, Dental Porcelain (MeSH Unique ID: D003776)
Monolithic CAD/CAM Single Tooth Ceramic Crowns
With the development of Computer Aided Design and Computer Aided manufacturing (CAD / CAM) systems, all ceramic restorations have been used with high success rates during the past 30 years in order to eliminate the disadvantages…
- Trial name
- NCT04474093
- Testing
- Zirconium-reinforced glass ceramics(ZRGC),Lithium disilicate glass ceramics(LGC), Resin infiltrated glass ceramics(RIGC)
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- Hacettepe University
Badly Decayed Primary Molars, Preformed Pediatric Posterior Crowns
Evaluation of Bioflex and Zirconia Crowns Versus Stainless Steel Crowns on Primary Molars: Randomized Controlled Clinical Trial
The goal of this clinical trial is to evaluate the clinical effectiveness of bioflex crowns and zirconia crowns compared to stainless steel crowns when restoring primary molars 45 participant who their ages range between 6 and 8…
- Trial name
- NCT07156838
- Testing
- bioflex crown, zerconia crown, stainless steel crown
- Where
- Egypt
- Volunteers
- 45 people, healthy volunteers welcome
- Sponsor
- Alexandria University
Approximal Dental Caries (ICDAS 3-5) in Primary Molars of Children
A Randomized Clinical Trial Comparing Hall vs. Conventional Technique in Primary Molars.
This study aims to assess the comparative effectiveness of the Hall technique (HT) and the conventional technique (CT) for placing Stainless Steel Crowns (SSCs) in primary molars with approximal caries.
- Trial name
- NCT06350578
- Testing
- Hall Crown Technique, Conventional SSC Technique
- Where
- Qatar
- Volunteers
- 80 people
- Sponsor
- Primary Health Care Corporation, Qatar
Clinical Behavior of ZLS and UTML
Clinical Behavior and Patient Satisfaction of Zirconia-reinforced Glass-ceramic Crowns and Ultra-translucent-multilayered Monolithic Zirconia Crowns With a Conservative Marginal Design
The aim of the present study is to evaluate clinical behavior and patient satisfaction of Zirconia-reinforced lithium disilicate press ceramic crowns when used in a conservative marginal design(0.6mm chamfer finish line).
- Trial name
- NCT07521501
- Testing
- UTML (KATANA) crowns with conservative marginal design, ZLS (AMBRIA) crowns with conservative marginal design
- Volunteers
- 20 people
- Sponsor
- Cairo University
Caries of Infancy
Comparison Between Stainless-Steel, Zirconia and Fiberglass Crowns for Deciduous Molars
The study will be divided into two parts: In vivo part and in vitro part.In vivo part: It will be a randomized clinical trial using split mouth technique on 44 primary molars in children aged from 4-8 years old selected from…
- Trial name
- NCT06003257
- Testing
- stainless steel crown, zirconia crown, fiberglass crown
- Where
- Egypt
- Volunteers
- 44 people
- Sponsor
- Suez Canal University
Dental Implants, Single-Tooth, Dental Impression Technique
Digital vs Conventional Impression in Capturing the Emergence Profile Around Maxillary Anterior Implant-supported Crowns
This study compares conventional impression and cast fabrication to direct/indirect digital scannig and 3D printed casts regarding their accuracy in replicating the peri-implant emergence profile of single implants in the…
- Trial name
- NCT06425770
- Testing
- indirect digital impression and 3D printed cast, direct digital impression, conventional impresion and cast
- Where
- Hungary
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Semmelweis 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
Dental Caries
Clinical Performance and Immediate Child and Parental Satis-faction With BioFlx Crowns in Primary Molars: A Prospective, Single-Arm, Non-Randomized Interventional Study
Informed consent was obtained from the parents/guardians of participating children after a detailed explanation about the treatment along with possible outcomes, risks, benefits, and discomforts is provided.
- Trial name
- NCT07471360
- Testing
- Bioflx pediatric dental posterior crowns
- Where
- Saudi Arabia
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- King Abdulaziz University
Piezotome, Implant-supported Single Crowns
Piezotome Atraumatic Tooth Extraction And Immediate Implant Placement In Maxillary Anterior Region
Tooth extraction is critical for dental treatment complications followed by immediate implant placement to restore the extracted tooth .
- Trial name
- NCT07041879
- Testing
- maxillary anterior teeth atraumatically extracted with piezotome extraction kit, and subsequent immediate implant placement, maxillary anterior teeth atraumatically extracted with periotome, and subsequent immediate implant placment
- Where
- Egypt
- Volunteers
- 30 people
- Sponsor
- Alexandria University
Dental Caries, General Anesthesia
Clinical Success of Two Stainless Steel Crowns in Children Treated Under General Anesthesia
The purpose of this study is to compare the clinical performance and parental satisfaction of two commercially available stainless steel crown systems used in pediatric patients treated under general anesthesia.
- Conditions
- Dental Caries, General Anesthesia, Pediatric Dentistry
- Trial name
- NCT07393854
- Testing
- NuSmile Stainless Steel Crown, Kids Crown Stainless Steel Crown
- Where
- Turkey (Türkiye)
- Volunteers
- 54 people
- Sponsor
- Bezmialem Vakif University
Dental Implants
Association of Implant Position and Crown Contour With Tissue Health
Emergence profile and crown contour of implant supported rehabilitation, which is influenced by implant position, is associated with peri-implant health and esthetic outcomes.
- Trial name
- NCT05644470
- Where
- China
- Volunteers
- 122 people, healthy volunteers welcome
- Sponsor
- Shanghai Ninth People's Hospital Affiliated to Shanghai Jiao Tong University
Gingival Recession, Localized
Gingival Response and Marginal Adaptation of Zirconia Crowns With Two Subgingival Margin Designs
The aim of the study is to evaluate the effect of feather edge finish line and deep chamfer finish line on gingival position, bleeding on probing and marginal adaptation.
- Trial name
- NCT04729569
- Testing
- Feather edge finish line preparation, Deep chamfer finish line preparation
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Cairo University
Carious Teeth
Clinical Efficacy of Preformed Pediatric Zirconia and Metal Crown
The study was planned to evaluate and compare the clinical success of prefabricated stainless steel crowns and zirconia crowns used in the primary molars.
- Trial name
- NCT05910905
- Testing
- Prefabricated pediatric zirconia crown group, Prefabricated stainless steel crown group
- Where
- Turkey (Türkiye)
- Volunteers
- 35 people, healthy volunteers welcome
- Sponsor
- Marmara University
Masseter Muscle Activity
Masseter Muscle Activity and Post-operative Pain in a Group of Egyptian Children Treated With Hall Technique Vs Modified Hall Technique
The study aims to evaluate postoperative pain and masseter muscle activity in a group of Egyptian children with carious primary molars treated with Hall Vs modified Hall Technique (with proximal and occlusal reduction).
- Trial name
- NCT05409742
- Testing
- Modified Hall technique
- Where
- Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Cairo University
Relationship Between the Physical Height and the Clinical Crown Length in Children
Dimensional Correlation Between Tooth Measurements and Physical Height in Children
Correlation between height of a child and their teeth dimensions needs to be established for several reasons such as determination of growth of an individual (growth records), growth spurts and medicolegal issues.
- Trial name
- NCT07187999
- Where
- India
- Volunteers
- 210 people, healthy volunteers welcome
- Sponsor
- Rungta College of Dental Sciences and Research
Pulmonary Embolism, Deep Vein Thrombosis
Study to Develop a Reliable Nomogram That Incorporates Clinical and Genetic Information
In this research study, the investigators are trying to find a better way to set the dose of a common blood-thinning medication.
- Conditions
- Pulmonary Embolism, Deep Vein Thrombosis, Atrial Fibrillation
- Trial name
- NCT00401414
- Testing
- Warfarin
- Where
- 2 sites in United States
- Volunteers
- 344 people
- Sponsor
- Brigham and Women's Hospital
Caries,Dental
Comparative Evaluation of Bioflx Crowns vs Stainless Steel Crowns
Comparative Evaluation of Clinical Success,Parental and child Satisfaction of Bioflx Crowns Versus Stainless Steel Crowns as Restorations for Primary Molars: A Randomized Clinical Study
- Trial name
- NCT06396195
- Testing
- bioflx crown, stainless steel crown
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Cairo University
Prosthesis User
Clinical Performance of 3D-Printed Resin and Zirconia Implant Restorations
This randomized controlled clinical trial evaluates the clinical performance of 3D-printed resin restorations compared with milled monolithic zirconia in implant-supported single crowns and short-span fixed partial dentures…
- Trial name
- NCT07522671
- Testing
- 3D-Printed Resin Restoration (CROWNTEC)
- Where
- Egypt
- Volunteers
- 60 people
- Sponsor
- Menoufia University
Breast Cancer, Triple Negative Breast Cancer
Cardiac Outcomes With Near-Complete Estrogen Deprivation
The purpose of this research study is to understand what effect near complete estrogen deprivation (NCED) therapy has on the heart in breast cancer patients. Investigators want to understand if NCED changes how the heart works.
- Conditions
- Breast Cancer, Triple Negative Breast Cancer, Cardiovascular Complications
- Trial name
- CROWN (NCT05309655)
- Testing
- Adenosine Stress Cardiac Magnetic Resonance Imaging, Electrocardiogram, Computed Tomography Angiogram
- Where
- 3 sites in United States
- Volunteers
- 90 people
- Sponsor
- Duke University
Dental Caries, Restored Decayed Teeth and Post-operative Sensitivity
Comparative Evaluation of Clinical Success of BIOFLX Crowns and SSC in Primary Molars
Although Stainless steel crowns (SSC) are the gold standard treatment modality for multi-surface carious lesion in paediatric patients, the quest for metal free, aesthetic restoration with comparable features that of SSC still…
- Trial name
- RCT (NCT07465211)
- Testing
- US Public Health Service modified criteria, The parental satisfaction
- Where
- India
- Volunteers
- 36 people
- Sponsor
- satish vishwanathaiah