Clinical trials: Crowns
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 Caries, Crowned Posterior Teeth
Hall Technique vs Conventional Technique in Permanent Teeth
The purpose of this study is to evaluate and compare the clinical and radiological performance of stainless steel crowns using conventional and Hall technique on permanent molars
- Trial name
- NCT07100028
- Testing
- SSC crown with Hall technique, SSC with conventional technique
- Where
- Turkey (Türkiye)
- Volunteers
- 96 people, healthy volunteers welcome
- Sponsor
- Hacettepe University
Zirconia Crowns
We Will Assess Zirconia Crown Restoring Endodontically Treated Posterior Teeth With Two Finish Line Designs and Two Occlusal Reduction Schemes
Endodontically treated posterior teeth will be restored with zirconia crowns with two finish line designs(feather edge and rounded shoulder) and two occlusal reduction schemes(flat and planer).The crowns were designed with exocad…
- Trial name
- NCT07139613
- Testing
- Control group(PS)Planer occlusal scheme with rounded shoulder finish line, First intervention group(FF) flat occlusal scheme with feather edge finish line, Second intervention group(FS) flat occlusal with rounded shoulder finish line design
- Where
- 2 sites in Pakistan
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- Armed Forces Institute of Dentistry, Pakistan
Cementation Teeth; Hyperplasia, Dental Cements
Cementation Techniques; an In-vitro Study
The goal of this observational study invitro study was to compare the different cementation techniques used to lute full veneer crowns on extracted and prepared teeth using Glass Ionomer Cement type 1.
- Conditions
- Cementation Teeth; Hyperplasia, Dental Cements, Tooth Crown Fracture
- Trial name
- NCT05875688
- Testing
- Cementation Technique A, Cementation Technique B, Cementation Technique C
- Where
- Pakistan
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Ziauddin University
Caries of Infancy
Clinical Evaluation of Polymethyl Methacrylate CAD/CAM Crowns Versus Prefabricated Zirconia Crowns in Primary Molars
, in this studythe investigator will compare between ready-made zirconia crowns and Computer-aided design and Computer-aided manufacturing (CAD/CAM) polymethyl methacrylate (PMMA) crowns to overcome the disadvantages of…
- Trial name
- NCT06113770
- Testing
- preparation of the tooth to receive ready made zirconia crown, preparation of the tooth to receive CAD CAM PMMA custom made crown
- Where
- Egypt
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- Adel Sherif Mostafa Rehab
Carious Primary Molars
Occlusal Wear Of Bioflx Crowns Compared To Zirconia Crowns On Primary Molars
The goal of this clinical trial is to evaluate the occlusal wear of Bioflx crowns compared to zirconia crowns in the restoration of primary molars.
- Trial name
- NCT06890949
- Testing
- (Group A: Preformed Bioflx Crown), (Group B: Preformed Zirconia crown)
- Where
- Egypt
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Cairo University
Root Canal Infection, Tooth Defect
Clinical Trial of Modified Endocrown and Personalized Post-core and Crown for Large-area Tooth Defects After Root Canal Treatment
This study intends to adopt a multicenter, randomized controlled, single-blind, non-inferiority clinical trial design. 246 premolars that meet the inclusion criteria after complete root canal treatment will be selected from the…
- Conditions
- Root Canal Infection, Tooth Defect, Post and Core Technique
- Trial name
- NCT07206108
- Testing
- modified endocrown
- Where
- China
- Volunteers
- 246 people, healthy volunteers welcome
- Sponsor
- Nanfang Hospital, Southern Medical University
Dental Restoration Wear
Properties and Clinical Performance of Zirconia-based Dental Ceramics
The objectives of this study are to determine the clinical performance of zirconia-based dental prostheses and their related properties.
- Trial name
- NCT00737308
- Testing
- ceramic crown
- Where
- 2 sites in Thailand
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Mahidol University
Impacted Tooth
Impacted Tooth With Immediate Implant Placement
This is a prospective study, in which there are involved four clinical cases of surgical extraction of impacted maxillary canines followed by immediate implant placement and immediate screw-retained temporary crown using a…
- Trial name
- ImmediateIMP (NCT07456553)
- Testing
- Implantology
- Where
- Italy
- Volunteers
- 5 people, healthy volunteers welcome
- Sponsor
- University of Bari Aldo Moro
Crown Lengthening, Pain Postoperative
Aesthetic Crown Lengthening: Laser Impact on Pain Perception and Perceptions on Self-esteem and Quality of Life
Gummy smile is a condition that promotes a disharmonious smile, altering confidence and decreasing self-esteem of many patients. Luckily, this problem in most cases is easily solved by aesthetic crown lengthening surgery.
- Conditions
- Crown Lengthening, Pain Postoperative, Self Concept
- Trial name
- NCT06830434
- Testing
- Crown lengthening surgery
- Where
- Brazil
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Campinas, Brazil
Adhesion, Tooth
Immediate and Delayed Dentin Sealing Effect on Partial Crowns
Immediate Dentin Sealing as an adjunct to adhesive cementation of all ceramic restorations is proposed and executed in several studies, but there is very limited evidence to support its effectiveness.
- Conditions
- Adhesion, Tooth, Crown, Luting
- Trial name
- NCT03443583
- Testing
- Immediate Dentin Sealing or Delayed Dentin Sealing
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University Medical Center Groningen
Tooth Crown Fracture, Dental Caries
Clinical Performance of Ceramic CAD/CAM Crowns
The purpose of this study was to evaluate the clinical performance of laboratory and chairside fabricated monolithic anterior and posterior LDGC CAD/CAM crowns performed by predoctoral students at the University of Toronto and…
- Trial name
- NCT03921307
- Where
- Canada
- Volunteers
- 251 people, healthy volunteers welcome
- Sponsor
- University of Toronto
Post-operative Pain
Effectiveness of Pre-emptive Analgesics on Post-Operative Pain After Stainless Steel Crown Placement On Primary Molars
The aim of this study is to evaluate the effectiveness of pre-emptive analgesia using ibuprofen and paracetamol on reducing post-operative pain following the placement of stainless steel crowns on primary molars compared to…
- Trial name
- NCT05602064
- Testing
- Ibuprofen, Paracetamol
- Where
- Egypt
- Volunteers
- 66 people, healthy volunteers welcome
- Sponsor
- Alexandria University
Decayed Teeth, Carious Lesion
Clinical Comparison Between Stainless-steel Crown, Zirconia Crown and Bioflx Crown in Primary Molars
The purpose of this clinical trial was to compare clinically three different crowns for primary molars; stainless steel crown, zirconia crown and Bioflx crown.
- Trial name
- NCT06706167
- Testing
- stainless steel crown, Zirconia crown, Bioflx crown
- Where
- Egypt
- Volunteers
- 75 people, healthy volunteers welcome
- Sponsor
- Delta University for Science and Technology
Evaluation of Marginal and Internal Fit of Metal Crowns
Comparison of Marginal Fit and Internal Adaptation in All-Metal Crowns: an in Vitro Experimental Trial
The goal of this in vitro study is to compare the marginal fit and internal adaptation of all-metal crowns in polished crown preparations and non-polished crown preparations The main question it aims to answer is: are the non…
- Trial name
- NCT06067945
- Testing
- microleakage
- Where
- Pakistan
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Altamash Institute of Dental Medicine
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
Circumferential Supracrestal Fiberotomy, Orthodontic Extrusion
Laser Verses Conventional Circumferential Supracrestal Fiberotomy in Orthodontic Extrusion for Crown Lengthening
The aim of this study is to the evaluate the stability of the amount of healthy tooth structure exposed after laser versus conventional technique of fiberotomy during orthodontic extrusion.
- Conditions
- Circumferential Supracrestal Fiberotomy, Orthodontic Extrusion, Crown Lengthening
- Trial name
- NCT06221137
- Testing
- conventional circumferential supracrestal fiberotomy, laser circumferential supracrestal fiberotomy
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Cairo University
Dental Caries in Children
Can Zirconia Crown be the First Choice for Primary Teeth?
Objective: Early loss of primary teeth due to caries, can cause occlusion disorders, aesthetic problems, nutritional problems, abnormal language habits, speech disorders and psychological problems temporary or permanent.
- Trial name
- NCT04574180
- Testing
- Dental Crown
- Where
- Turkey (Türkiye)
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- TC Erciyes University
Carious Primary Molars
Retention of Bioflx Crowns Compared to Zirconia Crowns on Primary Molars
The goal of this clinical trial is to evaluate the retention and resistance to dislodgment of Bioflx crowns compared to zirconia crowns in the restoration of primary molars.
- Trial name
- NCT06856070
- Testing
- (Group A: Preformed Bioflx crown), (Group B: Preformed Zirconia crown)
- Where
- 2 sites in Egypt
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Cairo University