Clinical trials: Dental Prosthesis
Jaw, Edentulous, Partially
Effect of the Abutment-Prosthesis Connection on Marginal Bone Loss and Gingival Sealing Around Dental Implants
In dental implant restoration, available literature demonstrates the advantage of using tall abutments, with a change of diameter with respect to the implant and a conical internal connection in the abutment-implant gap.
- Trial name
- NCT05883202
- Testing
- Connect®, Multi-unit
- Where
- Spain
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Universidad de Granada
Failure, Prosthesis, Dental Prosthesis, Implant-Supported
Clinical Performance of All-on-4 PEEK and Conventional Prostheses
The all-on-4 treatment approach for completely edentulous mandible is a proven concept. However, there are still issues regarding the use of metal substructure to support the prostheses such as allergy, metallic taste, and…
- Conditions
- Failure, Prosthesis, Dental Prosthesis, Implant-Supported, Survival, Prosthesis, Complete Edentulism
- Trial name
- NCT06388395
- Testing
- Accuracy of full-arch surgical guides, Survival and complications of the prostheses, Survival and complications of the implants
- Where
- United Arab Emirates
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Sharjah
Dental Implants, Dental Prosthesis Failure
Attachment Systems for Implant Overdenture
The aim of this randomized controlled trial is to compare peri-implant tissue health, number of complications, and patient's preference between two unsplinted overdenture attachments.
- Trial name
- NCT03640910
- Testing
- OT Equators® (Rhein83), Locator® (Zest)
- Where
- Italy
- Volunteers
- 43 people, healthy volunteers welcome
- Sponsor
- Rhein 83 Srl
Implant Complication, Prosthesis Survival
Dental Implant Supported Removable Dental Prostheses
To prospectively monitor the survival rate of Ankylos® dental implants, comparing delayed versus immediate loading, using abutments with the SynCone® concept for implant-supported detachable dental prosthesis (ISDDP) in the…
- Trial name
- NCT03041597
- Testing
- placement of implants, immediate loading, conventional loading
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- KU Leuven
Dental Implants, Dental Prosthesis, Implant-Supported
Clinical Evaluation of a Hyperbolic Paraboloid Triple-Abutment on Morse Taper Dental Implants
This prospective clinical study aims to evaluate the clinical and radiographic outcomes of a novel triple-abutment system with hyperbolic paraboloid geometry installed on Morse taper dental implants.
- Trial name
- NCT07310979
- Testing
- Triple-Abutment System with Hyperbolic Paraboloid Geometry
- Where
- Brazil
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Federal University of Minas Gerais
Unsatisfactory or Defective Restoration of Tooth
Minimal Invasive Rehabilitation of Tooth Loss in the Anterior Segment
Tooth loss can be addressed by different rehabilitative strategies. Implant-supported crowns and conventional bridges (fixed dental prostheses [FDPs]) are well established treatment alternatives.
- Trial name
- MIZE-F (NCT01997827)
- Testing
- metal-ceramic RBFDP, all-ceramic RBFDP
- Where
- Germany
- Volunteers
- healthy volunteers welcome
- Sponsor
- University Hospital Heidelberg
Peri-Implant Health, Implant Complication
Influence of Zirconia Abutments on Peri-Implant Tissues in Single-Tooth Restorations
Objectives: To compare the influence of pre-fabricated titanium abutments and customized milled zirconia abutments on implant biocompatibility and the peri-implant region, as well as on radiographic bone loss and oral…
- Conditions
- Peri-Implant Health, Implant Complication, Prosthesis and Implants
- Trial name
- NCT07456163
- Testing
- Pre-fabricated standardized titanium abutments, Customized anatomical zirconia abutments
- Where
- Brazil
- Volunteers
- 71 people, healthy volunteers welcome
- Sponsor
- University of Campinas, Brazil
Edentulous Jaw, Dental Prosthesis, Implant-Supported
Accuracy of Standard and Geometric Pattern-Assisted Digital Scanning for Full-Arch Implant Prosthesis Frameworks
This clinical trial aims to compare three different impression techniques used to fabricate full-arch implant-supported dental prostheses.
- Conditions
- Edentulous Jaw, Dental Prosthesis, Implant-Supported, Prosthodontics, Dental Implantation, Endosseous
- Trial name
- GPA Scan (NCT07065487)
- Testing
- Intraoral Scanner - Standard Protocol, Intraoral Scanner with Geometric Reference Pattern, Conventional Splinted Impression Technique
- Where
- Egypt
- Volunteers
- 4 people, healthy volunteers welcome
- Sponsor
- Mirna ashraf anis heneen
Dental Prosthesis Complication
Comparison Between Conventional and Digital Workflow in Dental Prosthesis
The aim of this comparative RCT is to evaluate the differences between the entire digital, the combined digital-analogic and the entire analogic workflows of implant-supported and teeth-supported prostheses.
- Trial name
- NCT06215781
- Testing
- Fully digital workflow of prosthetic fixed dental crown, Combined digital and conventional workflows of prosthetic fixed dental crown, Fully conventional workflow of prosthetic fixed dental crown
- Where
- Italy
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Azienda Ospedaliero-Universitaria Consorziale Policlinico di Bari
Periodontal Bone Loss
Evaluation of Peri Implant Bone Loss of Immediately Versus Conventionally Loaded Implants With a Single Prosthesis
The main objective of this prospective, controlled, and randomized clinical study is to evaluate the peri-implant bone loss of immediately loaded versus conventionally loaded implants with a single prosthesis.
- Trial name
- Mpigozzo (NCT02416700)
- Testing
- immediate implant surgery, implant surgery (Straumann®)
- Where
- Brazil
- Volunteers
- 17 people, healthy volunteers welcome
- Sponsor
- Mônica Nogueira Pigozzo
Missing Teeth
Zirconium Dioxide Fixed Dental Prosthesis.
The purpose of this clinical trial is to evaluate and compare bridges to replace one or two missing teeth in the mouth. The bridges will be made of two variants of ceramic material.
- Trial name
- NCT06352983
- Testing
- Fixed dental prosthesis
- Where
- 2 sites in Sweden
- Volunteers
- 31 people, healthy volunteers welcome
- Sponsor
- Malmö University
Prosthetic Tissue Defect, Dental Prosthesis Complication
Study of Periodontal Tissues in Fixed Prostheses on Natural Teeth
When the tooth is severely compromised, it needs a prosthetic crown. The tooth is prepared to allow the housing of the prosthetic crown without difficulty.
- Conditions
- Prosthetic Tissue Defect, Dental Prosthesis Complication, Dental Prosthesis Failure, Tissue Injury
- Trial name
- NCT04151316
- Testing
- crown preparation, vertical preparation, horizontal preparation
- Where
- Italy
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Università Vita-Salute San Raffaele
Dental Implants
Clinical and Radiographic Outcomes of Implant-supported Prostheses With Cantilever Extensions After 10 Years of Function
A retrospective examination was performed on patients who had received treatment with dental implants supporting a prosthesis with a cantilever extension for at least 10 years of function.
- Trial name
- Cantilevers (NCT06534398)
- Testing
- Dental implant prosthesis with cantilever extension
- Where
- Greece
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Aristotle University Of Thessaloniki
Patient Satisfaction, Dental Prosthesis
Correlation of Length of Index Finger to Vertical Dimensions of Occlusion for Edentulous Patients
This study is a randomized clinical trial comparing the conventional method of recording occlusal vertical dimension using Willis gauge from the base of the nose to the base of the chin with the other method using vernier caliper…
- Conditions
- Patient Satisfaction, Dental Prosthesis, Edentulous Jaw
- Trial name
- NCT05153213
- Testing
- Finger lengths, Conventional method
- Where
- Pakistan
- Volunteers
- 71 people, healthy volunteers welcome
- Sponsor
- Dow University of Health Sciences
Jaw, Edentulous
Conventional, Overdenture and Palateless Overdenture Oral Health Impact Comparison Study
This study will identify and enroll patients already scheduled to receive guided maxillary implant placement with palateless overdenture. Standard clinical practice will be followed for this multi-stage process.
- Trial name
- NCT02731703
- Testing
- Overdenture treatment
- Where
- United States
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- University of North Carolina, Chapel Hill
Edentulous
Full-arch Monolithic Zirconia ISFDP Follow up
This study is designed to recall all patients who have received a full-arch monolithic zirconia implant supported fixed dental prosthesis in the University of North Carolina (UNC) School of Dentistry Graduate Prosthodontic and/or…
- Trial name
- NCT02931968
- Testing
- Monolithic zirconia prosthesis
- Where
- United States
- Volunteers
- 22 people, healthy volunteers welcome
- Sponsor
- University of North Carolina, Chapel Hill
Prosthesis Survival
PEEK Prostheses in the All-on-4 Concept Using Zygomatic Implants for Full-arch Rehabilitation.
The goal of this study is to evaluate the outcome of a Poly-ether-ether-ketone - acrylic resin prosthesis for full-arch rehabilitation of the atrophic maxillae through the All-on-4 Hybrid concept (standard and zygomatic implants)…
- Trial name
- PEEKPilotZyg (NCT05589545)
- Testing
- Prosthetic full-arch rehabilitation using a PEEK-acrylic resin prosthesis
- Where
- Portugal
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Malo Clinic
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
Dental Occlusion, Occlusal Wear of Teeth
Evaluation of Occlusal Adjustment Material Removal on Monolithic Zirconia Blocks: An In Vitro Study
This study aims to improve understanding of the amount of tooth-replacement material removed during a single grinding "stroke" performed in the adjustment of a zirconia crown.
- Conditions
- Dental Occlusion, Occlusal Wear of Teeth, Fixed Dental Prosthesis
- Trial name
- NCT07280130
- Testing
- perform material removal on monolithic zirconia
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Jaw, Edentulous, Partially
Bacterial Microleakage and Bone Loss in Internal Connection Dental Implants Based on the Type of Abutment Used in Zirconia Partial Fixed Prosthesis: in Vivo Study
This clinical trial aims to observe if there are differences in bacterial micro-filtration on interfaces and to evaluate if there are differences in the occurrence of peri-implant diseases and bone loss in fixed partial…
- Trial name
- NCT06156111
- Testing
- Transepithelial abutment group, Direct to implant group
- Where
- Spain
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Universidad Complutense de Madrid