Clinical trials: Crowns
Molar Incisor Hypomineralization
Restoration of Permanent Molars Affected With Molar-incisor-hypomineralization (MIH) Among a Group of Egyptian Children Using Composite Restorations or Preformed Metal Crowns
The aim of this study is to compare the clinical outcome of using direct esthetic composite restorations and the use of preformed metal crowns in managing MIH cases among a group of Egyptian children.
- Trial name
- NCT04369768
- Testing
- restoration of permanent molars affected with MIH
- Volunteers
- 60 people
- 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
Altered Passive Eruption of Teeth
The Effect of Using Two Different Suturing Techniques on Free Gingival Marginal Stability
Gummy smile is one of the major esthetic problems nowadays; it is due to several causes that either dental or skeletal. Etiology of the gummy smile is altered passive eruption, vertical maxillary excess, different gingival…
- Trial name
- NCT04219436
- Testing
- vertical mattress suturing technique, figure of eight suturing technique
- Where
- Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Ain Shams University
Crown Lengthening Procedure With Ostectomy
Analgesic Efficacy of Arnica Montana in Comparison With Diclofenac Sodium Following a Periodontal Surgical Procedure
Introduction: Homeopathy is a deep healing, comprehensive and distinct system originally developed by Samuel Hahnemann about 200 years ago.
- Trial name
- NCT03520595
- Testing
- Arnica 200 drug 3 pills,3 times daily for 3 days, Diclofenac Sodium 50mg twice daily
- Where
- India
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Tatyasaheb Kore Dental College
Caries,Dental
Comparison of the Treatment Outcomes of the Conventional Stainless Steel Crown Restorations and the Hall Technique in the Treatment of Carious Primary Molars
Stainless steel crowns have shown high success in restoring carious primary molars over a longer period of time than conventional restorations.
- Trial name
- NCT06597669
- Testing
- Placement of stainless steel crowns on primary molars
- Where
- Vietnam
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Hue University of Medicine and Pharmacy
Tooth Wear
Analysis of Enamel Wear Against Ceramic Restorations
1. To characterize the microstructure (fracture toughness, particle size of ceramic, and inter-particle spacing) of three ceramic materials 2.
- Trial name
- NCT00223405
- Testing
- crown placement
- Where
- United States
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- The University of Texas Health Science Center at San Antonio
Hall Technique
A Study Comparing the Hall Technique and Conventional Stainless-Steel Crowns in Carious Primary Molars : Clinical Outcomes, Anxiety, Time, and Cost-Effectiveness
Tooth decay is a widely experienced condition associated with the oral health of children, particularly in posterior teeth. This is attributed to their intricate texture which is commonly encountered during the oral hygiene…
- Trial name
- NCT07648654
- Testing
- Hall Technique, Conventional stainless steel crown
- Where
- Egypt
- Volunteers
- 200 people
- Sponsor
- MTI University
Deep Caries
Influence of Luting Cement on the Clinical Outcomes of Zirconia Pediatric Crowns
The purpose of this split-mouth study was to compare the efficacy of using Bio-active cement versus Packable glass ionomer for cementation of posterior zirconia pediatric crowns.
- Trial name
- NCT03993431
- Testing
- Bio-active cement, Packable glass ionomer
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Fayoum 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
Destructed Teeth Restored by Zirconia Crowns, Zirconia Crowns
Clinical Outcomes of Bonded Monolithic Translucent Zirconia Crowns Using Two Different Compositions of Self-adhesive Resin Cements
The aim of the present study is to evaluate the clinical outcomes (marginal discoloration, marginal adaptation, gingival health, debonding and patient satisfaction) of translucent zirconia crowns bonded by TheraCem (MDP, calcium…
- Conditions
- Destructed Teeth Restored by Zirconia Crowns, Zirconia Crowns, Decayed, Missing, and Filled Teeth, Tooth Discoloration
- Trial name
- NCT04875468
- Testing
- TheraCem self-adhesive resin cement, Multilink adhesive resin cement
- Where
- Egypt
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Diana Mostafa Habeb
Fractured Tooth
Comparison of Surgical Extrusion vs. Fibre Post Restoration for Crown-root Fractured Maxillary Incisors.
A total of 124 samples was calculated to be sufficient with G*power software ver 3.1.9.2 with effect size of 0.4 alpha probability error and power 0.95.With drop out estimate of 10% the final sample size decided was 140 samples.
- Trial name
- NCT04685161
- Testing
- Surgical extrusion, Fibre post
- Where
- India
- Volunteers
- 140 people
- Sponsor
- Tamil Nadu Dr.M.G.R.Medical University
Pulpotomized Primary Molars
Clinical Outcomes of Digital vs Prefab Crowns for Pulpotomized Primary Molars
NuSmile Zirconia crowns: Prefabricated pediatric Zirconia crowns offer an excellent alternative to full-coverage crowns when restoring deciduous teeth with a sizeable carious defect.
- Trial name
- NCT06733909
- Testing
- Restoration of Pulpotomized Primary Molars using NuSmile Zirconia crowns, Restoration of Pulpotomized Primary Molars using BioFlx crowns, Restoration of Pulpotomized Primary Molars using Digital VITA ENAMIC crowns (CAD/CAM blanks)
- Where
- Egypt
- Volunteers
- 102 people, healthy volunteers welcome
- Sponsor
- October University for Modern Sciences and Arts
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
Dental Prosthesis Failure
Clinical Performance of All-ceramic Posterior Crowns. A Randomized, Prospective Clinical.
This is a randomized, prospective clinical trial. The aim of the project is to assess the clinical performance of three types of tooth-supported crowns; monolithic high translucent colored zirconia, crowns of high-translucent…
- Trial name
- NCT04272112
- Testing
- IPS e.max CAD, Ivoclar Vivadent, BruxZir, Glidewell, BruxZir*, Glidewell
- Where
- Sweden
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Malmö University
Oral Health, Pediatric Dentistry
Periodontal Biocompatibility of Pediatric Crowns
Different full-coverage crown materials are widely used in pediatric dentistry for the restoration of primary teeth with extensive substance loss.
- Conditions
- Oral Health, Pediatric Dentistry, Stainless-steel Crown, Matrix Metalloproteinase
- Trial name
- NCT07611292
- Testing
- Clinical periodontal assessments, GCF measurements and sample collection
- Where
- Turkey (Türkiye)
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- Recep Tayyip Erdogan University Training and Research Hospital
Patient Satisfaction
Satisfaction and Adaptation After Elevation of Vertical Dimension of Occlusion Using Overlay Denture or Fixed Crowns
Elevation of the vertical dimension of occlusion has always been a debatable issue specially using removable prosthesis. Fixed restorations have been a more predictable treatment modality in treating patients with tooth surface…
- Trial name
- NCT03579134
- Testing
- partial overlay denture, fixed temporary crowns
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Cairo University
Paediatric Dentistry, Dental Caries in Children
The Success Rate and Acceptability of Conventional and Modified Hall Crowns Among Children and Parents
This is a clinical trial that aims to compare the success rate, child and parent acceptance of conventional Hall crown technique (CHT) to modified Hall crown technique (MHT)in treating carious primary molars.
- Conditions
- Paediatric Dentistry, Dental Caries in Children, Dental Treatment
- Trial name
- Hallcrowns (NCT06545279)
- Testing
- Hall Crown Technique, Modified Hall Technique
- Where
- Jordan
- Volunteers
- 121 people, healthy volunteers welcome
- Sponsor
- King Abdullah University Hospital
Badly Decayed Teeth andTeeth Restored With Large Filling Restorations and Endodontically Treated Teeth and Malformed Teeth and Malposed Teeth
Clinical Evaluation of Internal Fit of Milled BioHPP Polyetheretherketone (PEEK) - Based Versus Zirconia-Based Single Crowns
All ceramic crowns are indicated in case of mild to moderate discoloration, restoration of traumatized or fractured teeth and abnormal tooth anatomy.
- Trial name
- NCT04052789
- Testing
- BioHPP PEEK copings veneered with composite resin
- Volunteers
- 16 people
- Sponsor
- Cairo University
Volume Assessment, Gummy Smile
Assessment of The Accuracy of Complete Crown 3D Superimposition Technique Relative to The Gold Standard Technique for Digital Quantification of Volumetric Soft Tissue Changes in The Esthetic Zone
The aim of this study is to assess the precision of the complete crown technique employed for the superimposition of 3D models, specifically in the quantitative volumetric evaluation of gingival tissues.
- Trial name
- NCT06673576
- Testing
- Complete crown technique for superimposition, Gold standard technique for superimposition
- Where
- Egypt
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- British University In Egypt
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