Clinical trials: Prosthesis
Bone Loss
Radiographic Evaluation of All-on-4 Implant Prosthesis With Different Materials and Bar Construction Techniques
Eighteen patients will be selected from the outpatient clinic of the Prosthodontic Department, Faculty of Dentistry, Mansoura University seeking prosthetic rehabilitation.
- Trial name
- NCT06071689
- Testing
- screw retained prosthesis
- Where
- Egypt
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Mansoura University
Prostheses Durability
Triple-Scan Protocol to Assess Passivity
Quantification and visualization the internal and marginal gaps by newer digital methods, such as the triple-scan protocol described by Borga Dönmez et al.
- Trial name
- NCT07644689
- Testing
- Conventional Impression Technique, Digital Impression with Nonmodified Scan Body, Digital Impression with Modified Scan Body
- Where
- Egypt
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Mansoura University
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
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
Prosthesis Durability
Accuracy of 3-dimensional Printed Implant Cast Versus Conventional Stone Cast for Edentulous Mandibular Arch
This study will be conducted to compare between accuracy of 3D printed implant cast produced from digital impression and conventional stone cast produced from conventional splinted open tray impression for edentulous mandibular…
- Trial name
- NCT06050187
- Testing
- implant casts fabrication
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Mansoura University
Amputation, Traumatic
Rectus Femoris Thickness Measurement in Unilateral Transtibial Amputated Prosthesis Users
Knee extension strengthening is one of the cornerstones of rehabilitation in prosthesis users with transtibial amputation. It is recommended in terms of increasing functional mobility, preventing the risk of fall and knee…
- Trial name
- NCT04262297
- Where
- Turkey (Türkiye)
- Volunteers
- 28 people, healthy volunteers welcome
- Sponsor
- Marmara University
Diabetes Mellitus, Leg Injuries
Prosthetic Components and Stability in Amputee Gait
The biomechanics of changing direction while walking has been largely neglected despite its relevancy to functional mobility. In addition, an increased risk of injury can be associated with turning due to a decrease in stability.
- Conditions
- Diabetes Mellitus, Leg Injuries, Traumatic Amputation
- Trial name
- NCT00167778
- Testing
- Transverse plane rotation adaptor pylon, Rigid pylon
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- US Department of Veterans Affairs
Atrophic Maxillary Ridge and Mandibular Ridge
Prosthetic Rehabilitation of Thin Wiry Ridge by Ridge Splitting and Simultaneous Implants Placement
evaluates the success of prosthetic rehabilitation of thin wiry ridge and implants placed simultaneously in splitted ridge both clinically and radiographically.
- Trial name
- implant (NCT06274476)
- Testing
- implant placement
- Where
- Egypt
- Volunteers
- 21 people, healthy volunteers welcome
- Sponsor
- Cairo University
Temporomandibular Joint Disorders
Prevalence of Signs and Symptoms of TMD in Patients Wearing Double Complete Dentures, RPD and in Dentistry Students.
It was proposed in this study to evaluate the prevalence of TMD signs and symptoms in State University of West of Parana's dental students with natural dentition, in patients with removable partial dentures and double complete…
- Trial name
- NCT01679821
- Testing
- A questionnaire and a clinical examination
- Where
- Brazil
- Volunteers
- 210 people, healthy volunteers welcome
- Sponsor
- Universidade Estadual do Oeste do Paraná
Prosthesis Durability
Effect of Geometric Modifications of Implant Scan Bodies
The aim of this clinical study will be the effect of geometric modifications of implant scan bodies compared to conventional transfer techniques on passivity of all on four mandibular restorations
- Trial name
- NCT06040385
- Testing
- Implant supported hybrid prosthesis
- Where
- Egypt
- Volunteers
- 18 people, healthy volunteers welcome
- Sponsor
- Mansoura University
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
Bone Resorption
Guided Bone Regeneration With Customized Titanium Meshes
The aims of this prospective clinical study are to evaluate: a) the effectiveness of digitally customized titanium meshes in association with autologous bone particles and bovine bone mineral and covered with collagen membranes…
- Trial name
- NCT04480073
- Testing
- Customized CAD-CAM Titanium Mesh (Y-xoss CBR® by Reoss -Filderstadt - Germany) for Guided Bone Regeneration of atrophic alveolar ridges
- Where
- Italy
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- University of Milan
ARTERIAL OCCLUSIVE DISEASE
Experimental Study of the Vascular Prosthesis Manufactured by Electrospinning
The purpose of this study is to determine whether the Vascular prosthesis manufactured by Electrospinning is safe with respect to the development of thrombosis.
- Trial name
- NCT02255188
- Testing
- blood sampling procedure
- Where
- Russia
- Volunteers
- 120 people, healthy volunteers welcome
- Sponsor
- Meshalkin Research Institute of Pathology of Circulation
Hyperhidrosis
Study to Assess the Efficacy of Botulinum Toxin B (Myobloc) for the Treatment of Prosthesis-associated Sweating
The objective of this study is to determine if Myobloc significantly decreases prosthesis-associated symptomatic sweating in amputees when compared to a saline solution placebo.
- Trial name
- NCT01671800
- Testing
- Botulinum Type B
- Where
- United States
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Henry M. Jackson Foundation for the Advancement of Military Medicine
Ankle Arthroplasty, Prosthesis User
3D X-ray Motion Analysis of Ankle-foot Motion After Total Ankle Arthroplasty
Patients who have had a total ankle joint replacement surgery typically have limited movement in their ankles possibly due to the fact that commonly used ankle joint prosthetic devices only allow limited axes of motion.
- Conditions
- Ankle Arthroplasty, Prosthesis User, Joint Disease
- Trial name
- NCT03575975
- Testing
- Total Ankle Replacement Prosthesis
- Where
- United States
- Volunteers
- 9 people, healthy volunteers welcome
- Sponsor
- Georgia Institute of Technology
Prosthesis User
Patient Satisfaction and Oral Health-related Quality of Life (OHRQL) For Two Pick-up Techniques
This study aimed to evaluate patient satisfaction and OHRQL using two pick-up methods for locator retained mandibular overdenture
- Trial name
- NCT06109792
- Testing
- implant supported mandibular overdenture
- Where
- Egypt
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- Mansoura University
Lower Limb Amputation Above Knee (Injury)
The CYBERnetic Lower Limb Cocognitive Ortho-prosthesis Plus Plus, 1st Clinical Study (CLs++)
The aim of the study is to assess the efficacy and the usability of the cyberlegs ++ ortho prosthesis to improve the mobility and the quality of life in transfemoral amputees .
- Trial name
- NCT03376919
- Testing
- CLs++ gait training
- Volunteers
- 16 people, healthy volunteers welcome
- Sponsor
- Vrije Universiteit Brussel
Prosthesis Survival
Implant Retained CAD-CAM Ceramic Crowns
Newly available ceramic CAD-CAM blocs containing a screw channel for chairside-made crowns to be adhesively cemented to a TiBase abutment and screw-retained to an implant are appealing to the clinician, considering the time…
- Trial name
- RCT-Scherrer (NCT04773873)
- Testing
- PFM Crowns on gold coping cast-on, hybrid abutment lithium disilicate crown, hybrid abutment ceramic polymer infiltrated crown
- Where
- Switzerland
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Susanne Scherrer
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
Prosthetic Complication, Prosthesis Failure, Dental
New Stereophotogrammetry System to Capture Complete-arch Impression
Patients in need of complete arch restorations will be treated with dynamic navigation system. Once the implants are positioned, a new system of stereophotogrammetry will record the implant positions to capture a precise…
- Trial name
- NCT06745232
- Testing
- FAST MAP
- Where
- Italy
- Volunteers
- 10 people, healthy volunteers welcome
- Sponsor
- University of Rome Tor Vergata