Clinical trials: Dental Crown
Gummy Smile
Fully Digital Guided Esthetic Crown Lengthening Surgery
The goal of this randomized controlled clinical study is to compare Fully digital to wax-up/mock-up guided esthetic crown lengthening procedure in management of excessive gingival display caused by altered passive eruption type…
- Trial name
- NCT06801548
- Testing
- Esthetic crown lengthening surgery, Esthetic crown lengthening surgery using Digital guide
- Where
- Egypt
- Volunteers
- 18 people
- Sponsor
- Ain Shams University
Peri-Implantitis and Peri-implant Mucositis
Effectiveness of Zirconia Glaze Removal and Polish in the Treatment of Peri-implant Mucositis
This clinical trial is being conducted to study peri-implant mucositis (inflammation in the gums around dental implant that does not extend into the implant-supporting bone).
- Trial name
- NCT06619158
- Testing
- Crown modification
- Where
- Canada
- Volunteers
- 44 people
- Sponsor
- University of Manitoba
Primary Molar Restoration, Dental Restorations in Children
Parent Satisfaction With Zirconia, Bioflx, and 3D-Printed Crowns for Primary Molars
This study will compare parent satisfaction with three different types of dental crowns used to restore primary (baby) molars in children: zirconia crowns, Bioflx crowns, and 3D-printed crowns.
- Trial name
- NCT07672470
- Testing
- Zirconia crown, Bioflx crown, 3D printed crown
- Where
- Egypt
- Volunteers
- 90 people
- Sponsor
- Delta University for Science and Technology
Crown, Procedural Anxiety
"Assessing the Impact of Personalized Music Playlists on Procedural Anxiety and Crown Preparation Performance Among Young Dentists: A Randomized Controlled Trial"
The objective of this study was to evaluate the effectiveness of personalized music playlists in reducing procedural anxiety among young dentists performing crown preparations for porcelain-fused-to-metal (PFM) crowns.
- Trial name
- NCT06856005
- Testing
- Music intervention
- Where
- Pakistan
- Volunteers
- 64 people, healthy volunteers welcome
- Sponsor
- Pakistan Institute of Medical Sciences
Dental Crowns
Prospective Clinical Evaluation of Posterior Single-tooth Zirconia Ceramic Restorations
This prospective, controlled, open clinical product surveillance trial will evaluate the performance of posterior zirconia ceramic crowns over 24 months
- Trial name
- NCT07797972
- Testing
- IPS e.max® ZirCAD Prime Esthetic
- Where
- United States
- Volunteers
- 40 people
- Sponsor
- University of Pennsylvania
Deep Caries in Primary Molars
Clinical and Radiographic Assessment of Neo Putty MTA Versus Formocresol Used in Vital Pulpotomy of Mandibular Primary Molars
This randomized clinical trial aims to evaluate the clinical and radiographic success of NeoPutty MTA compared to formocresol in vital pulpotomy of mandibular primary molars in children aged 4 to 9 years.
- Trial name
- NCT07437794
- Testing
- NeoPutty MTA, Formocresol
- Where
- Egypt
- Volunteers
- 68 people
- Sponsor
- October University for Modern Sciences and Arts
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
Dental Caries
Trial of a New NuSmile ZR Esthetic Primary Molar Crown
The hypothesis to be tested is that NuSmile ZR esthetic primary molar crowns perform similarly to an established Stainless Steel primary molar crown (3M ESPE) for restoration of primary molar teeth.
- Trial name
- NCT01919515
- Testing
- ZR Crown, Stainless Steel Crown
- Where
- 2 sites in United States
- Volunteers
- 50 people
- Sponsor
- NuSmile, Ltd.
Ceramic and Dental Enamel Wear
Clinical Performance and Wear Mechanism of Hot-Pressed Ceramic Crowns
The objectives of this study are to characterize the clinical performance and wear mechanisms of all-ceramic posterior crowns. The wear rate of all-ceramic crowns and opposing enamel in selected patients will be quantified.
- Trial name
- NCT00889239
- Testing
- lithia-disilicate-based crown
- Where
- Thailand
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Mahidol University
Prosthesis Failure, Dental
Clinical Success of Anterior and Posterior Crowns in a Group of Children Treated Under General Anesthesia
This incidence study aims to evaluate the clinical success of anterior and posterior full-coverage restorations among a group of Egyptian children treated under general anesthesia.
- Trial name
- NCT06201481
- Testing
- anterior and posterior full coverage crowns
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Cairo University
Caries, Dental
The Effects of Stainless Steel Crowns Applied With Hall Technique on Occlusal Vertical Dimension
In recent years restoring carious of fractured primary teeth with stainless steel crowns (SSC) has became more popular than ever.
- Trial name
- NCT03010618
- Testing
- Hall technique stainless steel crowns
- Where
- 2 sites in Turkey (Türkiye)
- Volunteers
- 125 people, healthy volunteers welcome
- Sponsor
- Bezmialem Vakif University
Dental Enamel Hypomineralization
Clinical Success of Stainless Steel Crowns Applied Using Different Cements
The main question of the study was to evaluate the one-year clinical success of SSc bonded with two different cement types in MIH teeth with excessive material loss.
- Trial name
- NCT06318520
- Testing
- Use of Calcium silicate based resin cement and resin modified glass ionomer cement
- Where
- Turkey (Türkiye)
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Afyonkarahisar Health Sciences University
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
Obesity Type 2 Diabetes Mellitus
Chinese, Overweight or Obesity, Real-World Registry Study
This study will enroll 10,000 patients with obesity, with the participation of approximately 50 medical institutions nationwide.
- Trial name
- NCT07525037
- Where
- China
- Volunteers
- 10,000 people
- Sponsor
- Chinese PLA General Hospital
Accuracy of Artificial Intelligence in Fixed Dental Prosthesis Design
Artificial Intelligence Versus Conventional Digital Design for Fixed Dental Prosthesis
This in vitro study aims to evaluate the accuracy of an Artificial Intelligence (AI)-based automatic design system for fixed dental prosthesis (FDP) compared with conventional computer-aided design (CAD) software.
- Trial name
- NCT07432165
- Testing
- Conventional CAD-Based Fixed Dental Prosthesis Design, Artificial Intelligence-Based Fixed Dental Prosthesis Design
- Where
- Egypt
- Volunteers
- 1,000 people
- Sponsor
- October University for Modern Sciences and Arts
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
Endodontically Treated Teeth
Deep Margin Elevation Vs Crown Lengthening
The present clinical trial will be conducted to reject or accept the null hypothesis that in endodontically treated posterior teeth with deeply located proximal margins, will the Deep Margin Elevation will have better results…
- Trial name
- NCT05381298
- Testing
- Deep Margin Elevation using resin composite, Surgical Crown Lengthening
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Cairo University
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
Prosthodontics, Dental Adhesives/Restorations Performance
Evaluation of Ceramic Dental Crown Clinical Performance After Conventional Hydrofluoric Acid Etching or Gaseous Plasma Pretreatment
In this randomized, controlled, double-blind clinical trial, we will follow adult participants who receive partial or full dental crowns made of lithium disilicate ceramic (LDC).
- Conditions
- Prosthodontics, Dental Adhesives/Restorations Performance, Crowned Posterior Teeth
- Trial name
- NCT07876167
- Testing
- Hydrofluoric Acid-Etched Lithium Disilicate Ceramic Dental Crowns, Atmospheric-Pressure Plasma-Treated Lithium Disilicate Ceramic Dental Crowns
- Where
- Slovenia
- Volunteers
- 30 people
- Sponsor
- University of Ljubljana, Faculty of Medicine
Fractured Tooth, Decayed Tooth
TetricCAD Crown Clinical Study
This investigation will be a clinical trial to study the performance of a new resin-based ceramic material for crowns. The material has been approved by the FDA for patient treatment.
- Conditions
- Fractured Tooth, Decayed Tooth, Unsatisfactory Restoration of Tooth
- Trial name
- NCT03716817
- Testing
- Tetric CAD
- Where
- United States
- Volunteers
- 50 people
- Sponsor
- University of Michigan