Clinical trials: Prostheses
Peri-Implantitis
Lnfluence of the Prosthetic Emergence Profile on the Prevalence of Peri-implant Diseases
1. Objectives: To evaluate the influence of the shape and contour of implant-supported restorations on peri-implant soft and hard tissues by using an intraoral scanner. 2. Material and methods: 1.
- Trial name
- NCT05592314
- Testing
- No intervention
- Where
- Spain
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Ramón Pons Calabuig
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, 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
Ear Deformity External
Adaptation of Conventional Versus Virtually Fabricated Ear Prosthesis in Patients With Auricular Defects
: patients were recruited for auricular prosthetic reconstruction. Preoperative data was collected including personal and medical history, plain photographs and CT scans.
- Trial name
- NCT05708339
- Testing
- virtually fabricated ear prosthesis, conventionally fabricated ear prosthesis
- Where
- Egypt
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Fatima Elmougi
Amputation, Traumatic, Traumatic Amputation of Lower Extremity
What is the Optimal Stiffness and Height of a Running-specific Prosthesis?
The proposed study aims to characterize the effects of running-specific leg prosthetic stiffness and height during on performance during running and sprinting to optimize running-specific prosthesis prescription.
- Conditions
- Amputation, Traumatic, Traumatic Amputation of Lower Extremity, Wounds and Injuries
- Trial name
- NCT02318979
- Testing
- Otto Bock prosthesis, Ossur prosthesis, Freedom Innovations prosthesis
- Where
- United States
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- VA Eastern Colorado Health Care System
Arthroplasty Complications, Amputation
Clinical Trial Comparing Negative Pressure Wound Therapy and Standard Dry Dressings
Negative pressure dressings are currently widely used in wound management. Their use is gradually being extended to surgical scars.
- Conditions
- Arthroplasty Complications, Amputation, Prosthesis-Related Infections
- Trial name
- BERLYTZ (NCT04520841)
- Testing
- Prevena TM, Dry dressing
- Where
- Switzerland
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- University of Lausanne Hospitals
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
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
Sleep Bruxism, Monolithic Ceramic Fixed Dental Prosthesis (Single Crowns)
All-ceramic Crowns in Patients With Sleep Bruxism
The aim of the study is to evaluate the complication rate of 2 types of all-ceramic crowns in patients with or without bruxism.
- Trial name
- NCT03039985
- Testing
- Zirconia crowns (Prettau®), lithium disilicate crowns (IPSe.max®)
- Where
- Germany
- Volunteers
- 109 people, healthy volunteers welcome
- Sponsor
- Heidelberg University
Implant-supported Single Crowns, Osseointegration
Influence of Prosthetic Characteristics of Implant-Supported Crowns on Peri-implant Health and Osseointegration: A Comparison Between Digital and Conventional Workflows.
The objective of this prospective cohort study is to evaluate marginal bone loss and peri-implant health in patients with single dental implants requiring prosthetic rehabilitation, comparing conventional and digital methods for…
- Conditions
- Implant-supported Single Crowns, Osseointegration, Peri-Implant Health
- Trial name
- NCT07897487
- Where
- Brazil
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Pontificia Universidade Católica do Rio Grande do Sul
Upper Limb Amputation
Functional Performance of Voluntary Opening and Closing Body Powered Prostheses
This study will compare the functional performance of voluntary opening (VO) and voluntary closing (VC) body powered prostheses.
- Trial name
- NCT02136238
- Testing
- Hosmer 5XA voluntary opening hook, TRS Grip 3 voluntary closing hook
- Where
- United States
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- University of South Florida
Computer-Assisted Surgery
Effect of Face Scanning on Accuracy of Dental Implant Placement in Fixed Implant Supported Maxillary Prostheses
The study will compare the accuracy of surgical guides fabricated by two different scanning protocols; facially driven scanning versus dual scanning protocol regarding the deviation of implant placement.
- Trial name
- NCT06001515
- Testing
- Dual scan protocol, triple scan protocol
- Where
- Egypt
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Ain Shams University
Orthoses, Prostheses
Hand Assistive Rehabilitation Orthotic Device Effectiveness Study
The primary objective of this study is to evaluate pinch strength improvements and improvements in coordination and functional ability.
- Trial name
- NCT04565639
- Testing
- Powered Hand Orthosis
- Where
- United States
- Volunteers
- 3 people, healthy volunteers welcome
- Sponsor
- Liberating Technologies, Inc.
Amputation
Active Knee Prosthesis Study for Improvement of Locomotion for Above Knee Amputees
The purpose of this study is to develop a robust, low-power, stable, and light weight, active knee prosthetic device that can dramatically increase gait symmetry and walking economy of a transfemoral amputee during walking.
- Trial name
- NCT00771589
- Testing
- Active Knee Prosthesis
- Where
- 2 sites in United States
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Providence VA Medical Center
Jaw, Edentulous, Partially
Comparison Between Cobalt-chromium Partial Dentures and Thermoplastic Partial Dentures
The cobalt-chromium (CoCr) partial denture has been made for a long period. It respects biomechanical principles, providing harmony between mechanical and biological activities.
- Trial name
- Flex (NCT01816425)
- Testing
- Thermoplastic partial denture, CoCr partial denture
- Where
- Brazil
- Volunteers
- 50 people, healthy volunteers welcome
- Sponsor
- University of Sao Paulo
Amputation
Clinical Trial of Tensegrity Prosthetics K3 Promoter Foot Prosthesis
The purpose of this clinical trial is to determine if the experimental Tensegrity prosthetic foot offers a reduction of the amount of oxygen used while walking, if stability is improved over current prosthetic feet, and whether…
- Trial name
- NCT00888199
- Testing
- Experimental prosthetic foot (K3 Promoter)
- Where
- United States
- Volunteers
- 80 people, healthy volunteers welcome
- Sponsor
- Tensegrity Prosthetics
Composite Resins, Dental Prosthesis
3 Years Clinical Evaluation of 3D Printed Resin Composite Fixed Dental Prosthesis
In recent years there is a rapid increase in the use of computer aided design and production. Two main types of materials are used in the production of indirect CAD/CAM restorations namely resin composite based and ceramic ones.
- Trial name
- NCT04600297
- Testing
- ELS Even Stronger (3D Printed Resin Composite)
- Where
- Turkey (Türkiye)
- Volunteers
- 70 people, healthy volunteers welcome
- Sponsor
- Istanbul Medipol University Hospital
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
Full Arch Implant Rehabilitation
Effect of Scanning Techniques on Accuracy of Mandibular Fixed Detachable Prostheses
This crossover clinical study aims to evaluate the influence of three different intraoral scanning techniques on the scanning accuracy and passive fit of mandibular implant-supported fixed detachable prostheses in completely…
- Trial name
- NCT07740265
- Testing
- Splinted Scan Body with composite, IO Connect Scanning Technique, Auxiliary Geometric Device Scanning Technique
- Where
- Egypt
- Volunteers
- 7 people, healthy volunteers welcome
- Sponsor
- Tanta University
Bleeding of Subgingival Space
Treatment of Peri-implant Mucositis on Incongruous Dental Prostheses Versus Congruous
The aim of the present study was to test the hypothesis that non-surgical periodontal therapy on peri-implant mucositis resolution results in a greater clinical improvement in patients with congruous versus non-congruous single…
- Trial name
- NCT05923554
- Testing
- Changes in Probing Depth to non-surgical periodontal therapy
- Where
- Italy
- Volunteers
- 56 people, healthy volunteers welcome
- Sponsor
- University of Catania