Clinical trials: Prosthesis and Implants
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
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
Compressive Implants
Comparison Between Two Placement Concepts of Six Compressive
The aim of this study will be to compare two posterior implant positioning concepts of six compressive implants installed in completely edentulous maxilla and immediately loaded with screw retained prosthesis regarding implant…
- Trial name
- NCT07495488
- Testing
- IMPLANT
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Mansoura University
Deficiency of Alveolar Ridge (Disorder), Alveolar Bone Grafting
Safety and Efficacy Evaluation of the Ivory Dentin Graft Device (IvoryGraft) - Long Term Follow-Up
long-term safety and performance of Ivory Dentin Graft. Ivory Dentin Graft is at least as good as the competitor treatment group (OsteoBiol Gen-Os) for alveolar ridge preservation following tooth extraction.
- Conditions
- Deficiency of Alveolar Ridge (Disorder), Alveolar Bone Grafting, Mandibular Prosthesis User
- Trial name
- NCT04868825
- Testing
- Ivory Dentin Graft, OsteoBiol Gen-Os
- Where
- Israel
- Volunteers
- 41 people, healthy volunteers welcome
- Sponsor
- Ivory Graft Ltd.
Prosthesis Durability
Impact of Mandibular Overdenture Base Construction Techniques on Assessment of Occlusion
This within patient study will be conducted to compare between two different construction techniques (CAD-CAM Milled and Conventional techniques) of 4-implant-assisted complete mandibular overdenture bases regarding the digital…
- Trial name
- NCT06080815
- Testing
- CAD/CAM Complete denture
- Where
- Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Mansoura University
Partial Edentulism Class 1
Conventional Impressions Versus Digital Impression Techniques for Implant Supported Screw Retained Prosthesis
The purpose was to evaluate the accuracy of traditional and digital implant level impression procedures by using three-dimensional superimposition analysis , and evaluate the passive fit of screw- retained implant supported…
- Trial name
- NCT05912725
- Testing
- Implant placement
- Where
- Egypt
- Volunteers
- 8 people, healthy volunteers welcome
- Sponsor
- Tanta University
Mouth, Edentulous
A Cost-effectiveness Analysis of the Single-implant Mandibular Overdenture Treatment
The aim of this study is to assess the cost-effectiveness of the mandibular overdenture retained by a single implant. The study hypothesis is that SIMO is more effective but more costly than the conventional denture, though this…
- Trial name
- SIMOECON (NCT02710357)
- Testing
- Mandibular Overdenture, Mandibular complete denture
- Where
- Brazil
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Universidade Federal de Goias
Peri-Implant Health
Plaque and Bleeding on Probing Around Implants Supporting Fixed Full-Arch Dental Prostheses
This observational study examines plaque, hard deposits (calculus), and gum bleeding around dental implants supporting fixed full-arch dental prostheses.
- Trial name
- NCT07898956
- Testing
- Prosthetic Maintenance History
- Where
- Italy
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- Nicola Alberto Valente, DDS, MS, PhD
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
Postoperative Wound Infection Deep Incisional Surgical Site, Prosthesis and Implants
Effect of Photodynamic Therapy on Skin Microbiome. Single Center Study (PHOMIC-II)
The overarching aim of this research project is to prevent orthopedic implant-associated infections. This study aims to investigate if PDT has an effect on bacterial skin colonization in order to improve skin antisepsis…
- Conditions
- Postoperative Wound Infection Deep Incisional Surgical Site, Prosthesis and Implants, Surgical Site Infection, Prosthetic Joint Infection
- Trial name
- NCT04618276
- Testing
- Photodynamic Therapy
- Where
- Switzerland
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- University of Zurich
Failure of Dental Prosthesis
Comparison of Two Implant Prosthetic Pathways
To assess and compare the esthetic outcome and clinical performance of anterior maxillary all ceramic implant single crowns based either on prefabricated zirconia abutment veneered with pressed ceramics or on a CAD/CAM…
- Trial name
- NCT02905838
- Testing
- Anatomic e.max Abutment, CAD/CAM CARES Abutment
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- University of Bern
Jaw, Edentulous, Dental Implant
An Implant With an Acid-etched Fixture Surface and Internal-hex Collar May Achieve Greater Osseointegration.
Brånemark System® dental implant osseointegration was introduced clinically in 1965 as a novel approach to the replacement of missing teeth.
- Trial name
- NCT01641198
- Testing
- Configuration 1, Configuration 2, Configuration 3
- Where
- Canada
- Volunteers
- 58 people, healthy volunteers welcome
- Sponsor
- Université de Montréal
Edentulous Mandible
"Comparative Study of Supra-Structure Materials in Full-Arch Implant Prosthetics: a Randomized Clinical Trial"
after the implants' osseointegration period (4 months), digital scans will be taken for the implant positions and the STL files will be stored and sent for the CAD software to design a full arch restoration.
- Trial name
- CSDSMDA (NCT06673355)
- Testing
- dental implant prosthesis
- Where
- Egypt
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Misr University for Science and Technology
Prosthesis Durability
Direct Versus Indirect Pick up of the Locator Retentive Caps:(Within-patient Study)
The purpose of this study will be to evaluate the effect of direct and indirect pick up of the locator retentive caps and compare the clinical results with those of the manufacturer retentive force.
- Trial name
- NCT05289752
- Testing
- dental implants in the mandible, locator attachment and overdenture
- Where
- Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Mansoura University
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
Prosthesis Durability
All on Four Versus All on Three Implant Treatment Concepts
the evaluation of patient satisfaction of All on-4 versus All on-3 implant treatment concepts rehabilitation of atrophied mandibular ridge.
- Trial name
- NCT05912127
- Testing
- implant supported fixed full arch prosthesis
- Where
- Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Mansoura University
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
Prosthesis Durability
Complete Digital Workflow for Construction of Full Arch Implant Supported Screw Retained Restoration
This study will compare the occlusal accuracy of different techniques for recording maxillomandibular relationships in a Complete digital workflow to construct full arch implant-supported screw-retained restoration.
- Trial name
- NCT06332482
- Testing
- Implant supported screw retained prosthesis
- Where
- Egypt
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Mansoura University
Occlusion
Effect of T-scan Occlusal Analysis and Adjustment vs Articulating
The aim of this study is to compare two different methods for occlusal analysis of implant - supported prosthesis (T-scan and conventional method with articulating papers) regarding the stresses transmitted to the implants.
- Trial name
- NCT05051878
- Testing
- T-scan, articulating paper
- Where
- Egypt
- Volunteers
- 7 people, healthy volunteers welcome
- Sponsor
- Ain Shams University
Partial Edentulism, Disorder of Prostheses and Implants
Survival of Implant-Supported All-Ceramic Prostheses
The purpose of this research study is to identify reasons that cause an all-ceramic bridge to fracture which include the thickness of the bridge material, the type of bridge material and the bite force of the person.
- Conditions
- Partial Edentulism, Disorder of Prostheses and Implants, Dental Prosthesis Failure
- Trial name
- NCT01729858
- Testing
- Ceramic-Ceramic, Metal-Ceramic
- Where
- United States
- Volunteers
- 106 people, healthy volunteers welcome
- Sponsor
- University of Florida