Clinical trials: Prostheses
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
Prosthesis Survival
14y Prospective Study on Posterior Zirconia-based 3-unit FDPs
The main objective of the present prospective study is to evaluate the effectiveness of posterior zirconia FDPs after 14 years of function.
- Trial name
- NCT04374201
- Testing
- 2 zirconia FDPs, 1 zirconia FDP
- Volunteers
- 37 people, healthy volunteers welcome
- Sponsor
- Federico II University
Dental Crown, Prosthesis
Basic Study of Fabricating Biomorphic Crowns
The purpose of this study is to compare among different designs of the occlusal surface of artificial crowns, trying to determine a guidance of fabricating artificial crowns with better mimesis of the original tooth crown in…
- Trial name
- NCT02609178
- Testing
- FGP, AVR
- Where
- China
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Air Force Military Medical University, China
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
Traumatic Amputation of Lower Extremity
Effects of Wearing a Powered Ankle-Foot Prosthesis on Amputee Walking
Amputees wearing a conventional prosthesis require 20-30% more metabolic energy to walk at the same speeds as non-amputees and this discrepancy is more apparent at faster walking speeds.
- Trial name
- NCT00869947
- Testing
- Powered ankle-foot prosthesis, No device
- Where
- United States
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- US Department of Veterans Affairs
Dental Prosthesis Complication
Functional Relining Versus Digital Altered Cast Using Digitally Fabricated Distal Extension Frameworks
This clinical study will be done to compare between functional relining and digital altered cast of selective pressure impression techniques for constructing mandibular distal extension removable partial dentures using digitally…
- Trial name
- NCT06082609
- Testing
- Removable partial denture
- Where
- Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Mansoura University
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
Patient Satisfaction
This Study Will Assess Whether the Treatment Provided by Dentist is Successful in Meeting the Expectations of Patient by Asking Questions Related to Aesthetics, Chewing Ability, Comfort and Phonetics Before and After Providing Treatment and the Patient Will Tell Through Visual Analog Scale
This study aims to assess patient satisfaction after receiving porcelain-fused-to-metal fixed dental prostheses. Patients will be asked about their expectations before treatment and their satisfaction afterward.
- Trial name
- NCT07100678
- Testing
- Porcelain-Fused-to-Metal Fixed Dental Prosthesis
- Where
- Pakistan
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Khyber College of dentistry
Osteoarthritis
Bilateral Total Knee Arthroplasty vs Unicompartment Arthroplasty Retrospective and Clinical Outcome Study
To determine if there is a patient satisfaction preference of Total Knee Arthroplasty (TKA) vs Unicompartmental Knee Arthroplasty (UKA) in patients with bilateral knee osteoarthritis who underwent a primary TKA one side and a…
- Trial name
- NCT02583113
- Testing
- Total and Unicompartment Knee Replacement
- Where
- United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Medacta USA
Prosthesis User
Biomechanical Assessment of Gait in Lower-Extremity-Amputees
This study is investigating the influence of several simulated real life conditions on the symmetry of gait with trans-tibial prostheses Hypotheses: It is hypothesized that the observable differences in gait pattern between…
- Trial name
- NCT01332123
- Testing
- Alignment perturbations
- Where
- United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of Wisconsin, Milwaukee
Occlusal Trauma
Effect Of Occlusal Materials Used For All On Four Mandibular Implant Prosthesis With PEEK Framework
This study was performed to compare between the effects of different occlusal materials used for all on four implant supported mandibular fixed prosthesis with PEEK framework.
- Trial name
- NCT06159530
- Testing
- dental implants, peek framework, visio-lign nano composite
- Where
- Egypt
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Mansoura University
Strangulated Hernia
Mesh Hernioplasty Of Strangulated Hernias With Intestinal Resection
Primary suture repair increases the risk for recurrence, the fact of benefit of mesh repair in elective situations is documented, and many studies have reported beneficial outcomes of mesh hernioplasty in emergency situations.
- Trial name
- NCT01411397
- Testing
- SURGERY, mesh repair
- Where
- Egypt
- Volunteers
- 163 people, healthy volunteers welcome
- Sponsor
- Mansoura University
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
Infection of Total Knee Joint Prosthesis, Aseptic Loosening of Prosthetic Joint
Surgical / Economic Effect of the Aquamantys System in Blood Management for Aseptic and Septic Revision TKA
To assess the surgical and economic effectiveness of the Aquamantys System in managing intra- and post-operative blood loss, and reducing transfusion needs in patients undergoing both aseptic and septic revision total knee…
- Trial name
- NCT02266407
- Testing
- Aquamantys System
- Where
- Germany
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Medtronic Surgical Technologies
Osteoarthritis
Five and Ten Year Results of the CMK21 Hip System
Five and ten year results of the CMK21 Hip system
- Trial name
- CMK21 (NCT03908151)
- Testing
- CMK21 Hip system
- Where
- 2 sites in Belgium
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Smith & Nephew, Inc.
Hip Osteoarthritis, Knee Osteoarthritis
Patient-reported Outcome Measures in Patient Underwent Total Hip and Knee Arthroplasty
Registry of Galeazzi Orthopedic Institute: provides for the regular and systematic collection of all data (clinical and some PROMs) obtained from patients undergoing hip and knee arthroplasty to which questionnaires are proposed…
- Conditions
- Hip Osteoarthritis, Knee Osteoarthritis, Prosthesis Survival
- Trial name
- NCT04960098
- Testing
- arthroplasty
- Where
- Italy
- Volunteers
- 5,816 people, healthy volunteers welcome
- Sponsor
- I.R.C.C.S Ospedale Galeazzi-Sant'Ambrogio
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
Retinitis Pigmentosa
Object Finder for a Retinal Prosthesis
The proposed project seeks to provide object recognition as a feature in a retinal implant system. Participants will be able to direct an object recognition application to find a desired object in the field of view of the…
- Trial name
- NCT04319809
- Testing
- Object recognition subsystem
- Where
- United States
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- Minnesota HealthSolutions