Clinical trials: Crowns, open to volunteers
Peri-implantitis
Crown Removal in Non-Surgical Peri-Implantitis Therapy: A Randomized Trial
The aim of this single-blind, randomized controlled clinical trial is to evaluate whether removal of the prosthetic crown influences the clinical effectiveness of non-surgical mechanical therapy in implants affected by…
- Trial name
- NCT07391202
- Testing
- Non-Surgical Peri-Implant Therapy without Crown, Non-Surgical Peri-Implant Therapy with Crown
- Where
- Italy
- Volunteers
- 36 people, healthy volunteers welcome
- Sponsor
- G. d'Annunzio University
Dental Implant
Immediate Versus Conventional Loading of Early Placed Dental Implant Supporting Single Crowns
This study focuses on examining the efficacy and clinical performance of immediate loading of early placed single implants. The aim of the randomized controlled trial is to compare between two loading protocols (immediate versus…
- Trial name
- NCT06693297
- Testing
- Immediate loading of early placed implants, Conventional loading of early placed implants
- Where
- Jordan
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Jordan
Partial Edentulism, Dental Implant
Immediate vs Conventional Loading With Different Crown Materials on Immediately Placed Single Implants
This randomized controlled trial compares immediate and conventional loading of single implants placed immediately into fresh extraction sockets in the upper front and premolar region.
- Conditions
- Partial Edentulism, Dental Implant, Tooth Loss in the Esthetic Zone Requiring Immediate Implant Placement
- Trial name
- NCT07882095
- Testing
- Conventional loading, Monolithic zirconia crown, Permanent 3D-printed PMMA crown
- Where
- 2 sites in Egypt
- Volunteers
- 80 people
- Sponsor
- Ain Shams University
Infraposition, Estethics
Risk Factors Associated With Infraposition of Implant Supported Single Crowns in the Anterior Maxilla
Losing a tooth in the front part of the upper jaw can affect both appearance and the ability to bite and chew. Treatment to replace missing teeth is therefore often required.
- Trial name
- NCT07593131
- Where
- 2 sites in Sweden
- Volunteers
- 60 people
- Sponsor
- Region Västerbotten
Primary Molar Tooth, Pulpotomies Primary Teeth
Assessment of Clinical Success of Custom-Made Versus Prefabricated Zirconia Crowns in Pulpotomized Primary Molars
Early childhood caries often results in extensive destruction of primary molars, requiring pulpotomy followed by full-coronal restoration to ensure long-term function and durability.
- Trial name
- NCT07738471
- Testing
- Custom made zirconia crowns, Prefabricated zirconia crown
- Volunteers
- 64 people
- 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
Bite Force, Masseter Muscle
Postoperative Bite Force After Bioflx and Zirconia Crowns in Children
This randomized clinical trial aims to compare postoperative bite force following full-crown restoration with preformed Bioflx and zirconia crowns in children undergoing comprehensive dental treatment under general anesthesia.
- Conditions
- Bite Force, Masseter Muscle, Zirconia Crowns, Primary Molars
- Trial name
- NCT07825103
- Testing
- Preformed Bioflx Crown, Preformed Zirconia Crown
- Where
- Egypt
- Volunteers
- 30 people
- Sponsor
- Tanta University
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
Clincal Evaluation of BioFlx Vs. Zirconia Crowns
Clinical Evaluation of BioFlx Crowns and Preformed Zirconia Crowns on Primary Second Molars
The goal of this clinical trial is to clinically evaluate the performance of BioFlx in comparison to preformed zirconia crowns in the restoration of primary second molars in pediatric patients.
- Trial name
- NCT06895707
- Testing
- BioFlx crown, Zirconia crown
- Volunteers
- 50 people
- Sponsor
- Riyadh Elm University
Tooth Loss, Dentin Caries
PMCF Study on The Performance and Safety of ON DENT® PMMA Discs/Blocks and Resin Products for Temporary Restorations
This prospective, single-center, interventional post-market clinical follow-up (PMCF) study aims to evaluate the clinical performance and safety of temporary crown and bridge restorations fabricated using CE-marked ON DENT™…
- Conditions
- Tooth Loss, Dentin Caries, Tooth Fractures
- Trial name
- NCT07632443
- Testing
- Temporary Fixed Prosthesis (Tempo-CAD Monocolor PMMA), Temporary Fixed Prosthesis (Tempo-CAD Monocolor SHT PMMA), Temporary Fixed Prosthesis (Tempo-CAD Multicolor SHT PMMA)
- Where
- Turkey (Türkiye)
- Volunteers
- 120 people
- Sponsor
- On Dent Tibbi Malzeme Dis Protez Ith. ve Ihr. San. Ltd. Sti.
Dental Caries, Early Childhood Caries (ECC)
This Feasibility Study Will Evaluate the Study Protocols for Treatment and Follow-up Controls of Primary Molars With Caries in Children Treated With Stainless Steel Crowns or Conventional Fillings. Treatment Success and Potential Failures Will be Followed at 3, 6 and 12 Months Post Treatment.
The goal of this feasibility study is to evaluate the study protocols of a future larger clinical study. In this study children, aged 3-7 years, with caries lesions in their primary molars will be treated with stainless steel…
- Trial name
- HALL-FIT (NCT07882745)
- Testing
- Stainless steel crowns, Conventional fillings
- Where
- 2 sites in Sweden
- Volunteers
- 100 people
- Sponsor
- Marie Norman
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
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
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