Clinical trials: Prosthesis
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
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
Trans-tibial Limb Loss
Physiologic Range of Step-by-step Variations in Lower Limb Prosthesis Forces During Walking
In human gait there is a certain amount of variation between steps; some considered physiological and owed to variations in environment or posture, and some severe enough to be indicative of gait instabilities that may lead to…
- Trial name
- NCT02234505
- Testing
- Prosthetic alignment perturbation
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- University of Pittsburgh
Amputation of Upper Limb Below Elbow, Prosthesis User
Effect of Motor Imagery Ability on Functionality and Proprioception in Amputees Using Myoelectric Prostheses"
The purpose of this study is to evaluate the motor imagery ability in transradial amputees using myoelectric prosthesis, compare it with the control group and investigate its effect on functionality and proprioception.
- Trial name
- NCT06541379
- Testing
- No intervention
- Where
- Turkey (Türkiye)
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Medipol University
Prostheses, Endosseous Dental Implant Failure
Pink Esthetic Score Around Immediate Implants Using PDDM as Jumping Gap Filling Material.
Will there be a difference in Pink Esthetic score and soft tissue changes around immediate implants in maxillary esthetic zone following grafting the jumping gap with partially demineralized dentin matrix compared with xenograft?
- Trial name
- NCT05952765
- Testing
- Immediate implant
- Where
- Egypt
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Cairo University
Dental Prosthesis, Implant-Supported
A Retrospective Data Collection on NobelProcera® Zirconia Implant Bridges from 4 to 14 Units.
This is a retrospective multicenter data collection in which clinical and radiographic data on implant zirconia bridges are collected from partially or fully edentulous subjects consecutively treated with at least one 4- to…
- Trial name
- NCT06600451
- Testing
- observational study, no intervention is required
- Where
- Switzerland
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Nobel Biocare
Edentulism, Implant Dentistry
Marginal Bone Remodeling at Monolithic Zirconia Full-Arch Prostheses in the Maxilla and Mandible
This prospective observational clinical study aims to compare 12-month clinical, radiographic, and patient-reported outcomes of monolithic zirconia full-arch implant-supported prostheses placed in the maxilla versus the mandible.
- Trial name
- NCT07323290
- Testing
- No intervention
- Where
- Spain
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- Universitat Internacional de Catalunya
Staphylococcal Infections, Joint Prosthesis
StaphVAX Immunogenicity in Orthopedic Implant Patients
S. aureus is the most common pathogen involved in prosthetic joint infection. StaphVAX® is a vaccine to prevent these infections, which conjugates the purified capsular polysaccharides of S. aureus to a carrier protein.
- Trial name
- NCT00211926
- Testing
- S. aureus Type 5 & 8 Capsular Polysaccharide Conjugate
- Where
- United States
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Nabi Biopharmaceuticals
Dental Implants, Dental Materials
Hybrid Polyetheretherketone (PEEK)-Acrylic Resin Prostheses and the All-on-4 Concept for Full Arch Rehabilitation
It is necessary to evaluate the outcome of implant supported fixed prosthetic rehabilitations using peek material. To test this, the study design to be used will be a prospective single cohort to evaluate the long term outcome of…
- Conditions
- Dental Implants, Dental Materials, Mandible, Prosthesis Survival
- Trial name
- AO4PEEKDev (NCT04446078)
- Testing
- PEEK- acrylic resin prosthesis supported by 4 dental implants
- Where
- Portugal
- Volunteers
- 37 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
Osteoarthritis, Post-traumatic Arthritis
Postoperative Function Following Partial and Total Knee Replacement
The purpose of this study is to determine if patients with a fixed-bearing or mobile-bearing partial knee replacement perform functional activities differently than patients that have had total knee replacement or healthy…
- Trial name
- NCT00492219
- Testing
- Vanguard M fixed-bearing or Oxford mobile-bearing prostheses, Total Knee Replacement
- Where
- United States
- Volunteers
- 324 people, healthy volunteers welcome
- Sponsor
- New Lexington Clinic
Transfemoral Amputees
Comparison of Transfemoral Amputees in Different Prosthesis Use Periods
Nowadays, the use of prostheses is recognised as a critical rehabilitation tool for individuals who have experienced limb loss as a result of amputation in order to improve their quality of life and help them return to their…
- Trial name
- NCT06773559
- Testing
- plantar pressure, gait and static balance analysis, trunk posture analysis
- Where
- Turkey (Türkiye)
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Lokman Hekim University
Arthroplasty Replacement Knee, Knee Prosthesis
In Vivo Determination of 3D Patellofemoral Mechanics
This study will analyze the tibio-femoral and patellofemoral (motion) and mechanics (forces) of participants having a normal knee or a total knee arthroplasty (TKA) using one or two different (TKA) devices Low Contract Stress…
- Trial name
- Patella (NCT01290627)
- Testing
- Subjects implanted with DePuy LCS PS RP TKA, Subjects implanted with DePuy Sigma PS RP TKA
- Where
- 4 sites in United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- The University of Tennessee, Knoxville
Implant Infection
Maintenance Protocol for Implant Supported Hybrid Prosthesis.
The study we intend to carry out aims to analyze the clinical and microbiological effects of a new maintenance protocol for implant-supported hybrid prostheses.
- Trial name
- NCT05482490
- Testing
- Maintenance protocol for the hygiene of implant supported prosthesis
- Where
- Italy
- Volunteers
- 130 people, healthy volunteers welcome
- Sponsor
- University of Cagliari
Prosthesis Durability
Accuracy of Conventional and Digital Impression Techniques Used for Maxillary Hybrid Prosthesis
evaluation and comparison of the accuracy of conventional and digital impression for full arch screw retained prosthesis for edentulous maxilla.
- Trial name
- NCT05321589
- Testing
- impression techniques for implant used for maxillary screw retained hybrid prosthesis
- Where
- Egypt
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Mansoura University
Prosthesis User, Digitalism
Precision of Three Different Scanbodies Used for Direct Digitalization Technique
The goal of this clinical trials to evaluate precision of different scanbodies in same participant group. The main guestion it aim to answer is: 1.
- Trial name
- NCT05790148
- Testing
- 3Shape
- Where
- Turkey (Türkiye)
- Volunteers
- 25 people, healthy volunteers welcome
- Sponsor
- Hacettepe University
Funnel Chest
Evaluation of a New Model of Metallic Bar and Stabilizer for Use in MIRPE
Pectus excavatum (PE) is the most common deformity of the chest wall, occurring in approximately 1/1000 people. Currently, surgical treatment by minimally invasive technique is consolidating as preferred technique for the…
- Trial name
- NCT03087734
- Testing
- Implantation of new model of bar with oblique stabilizers, Implantation of regular bar with perpendicular stabilizers
- Where
- Brazil
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- University of Sao Paulo
Dental Prosthesis Failure
Application of 3D Printed Removable Denture Prosthesis Framework for Partial Edentulous Patients
Tooth loss is a major dental problem worldwide. A recent study in Singapore found that approximately one third of adults aged over 65 are living without any natural teeth.
- Trial name
- NCT04304222
- Testing
- 3D Printed Denture Framework
- Where
- Singapore
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- National Dental Centre, Singapore
Amputation
Does Walking Performance Improve When Veterans With Leg Amputations Are Given Visual Feedback?
Previous studies suggest that Veterans with below the knee amputation using passive-elastic or powered prostheses have impaired physical function, which could increase the risk of osteoarthritis, leg/back pain, and…
- Trial name
- NCT03974945
- Testing
- Passive-elastic prosthetic foot, Powered ankle-foot prosthesis
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- VA Office of Research and Development
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