Clinical trials: Prosthesis
Edentulism, Implant-supported Full-arch Prosthesis
Accuracy of Intraoral Photogrammetry vs Optical Scanners for Immediate Full-Arch Implant Loading
This prospective in vivo clinical trial evaluates and compares the accuracy (trueness) and scanning time of intraoral photogrammetry scanners (IPS) versus conventional intraoral optical scanners (IOS) for immediate full-arch…
- Conditions
- Edentulism, Implant-supported Full-arch Prosthesis, Digital Impression Accuracy, Photogrammetry in Dentistry
- Trial name
- NCT07320729
- Testing
- Intraoral Optical Scanner, Intraoral Photogrammetry Scanner Elite (Shining3D)
- Where
- Egypt
- Volunteers
- 4 people, healthy volunteers welcome
- Sponsor
- Abdelrahman Khalaf Eldabe
Alveolar Bone Loss
Effect of Using (PEKK) Framework Versus (Co- Cr) Framework on The Bone of Mandibular Implant Supported Hybrid Prostheses
the purposse of the study To evaluate the effect of implant supported hybrid prostheses on the bone of the supporting structure of edentulous mandible using Polyetherketoneketone (PEKK) framework versus cobalt chromium framework.
- Trial name
- NCT06176014
- Testing
- implant placement
- Where
- Egypt
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Ain Shams University
Total Knee Arthroplasty
Effection of Total Knee Arthroplasty on Knee Joint
The aim of this study is to evaluate the joint position sense of individuals diagnosed with knee osteoarthritis and who have undergone unilateral total knee arthroplasty surgery, and to examine the effect of joint position sense…
- Trial name
- NCT05965765
- Testing
- Total knee arthroplasty, osteoarthritis without surgery, control group
- Where
- Turkey (Türkiye)
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- KTO Karatay University
Passivity, Prosthetic Complications
Effect of Open Tray Versus Digital Impressions on the Passivity and Prosthetic Complications of Full Arch Screw-retained Prosthesis
The importance of this trial lies in testing if intraoral digital impressions will increase the accuracy of impressions of full arch implant cases over conventional impression techniques thus improving the passivity of full arch…
- Trial name
- NCT04848207
- Testing
- Digital impression technique, Open tray impression technique
- Volunteers
- 92 people, healthy volunteers welcome
- Sponsor
- Cairo University
Bone Loss in Jaw, Dental Implant Failure Nos
Marginal Bone Loss Around Mandibular Implant-retaining Overdentures and Implant Supported Fixed Hybrid Prosthesis
Few if any studies have compared marginal bone loss (MBL) around implant-retaining overdentures (2 implants with locators) versus implant supported fixed hybrid prosthesis (over 4 implants) in the mandible.
- Conditions
- Bone Loss in Jaw, Dental Implant Failure Nos, Dental Implant Failed
- Trial name
- NCT06488599
- Testing
- Peri-apical radiographs on the implants
- Where
- Lebanon
- Volunteers
- 19 people, healthy volunteers welcome
- Sponsor
- Saint-Joseph University
Impacted Tooth
Impacted Tooth With Immediate Implant Placement
This is a prospective study, in which there are involved four clinical cases of surgical extraction of impacted maxillary canines followed by immediate implant placement and immediate screw-retained temporary crown using a…
- Trial name
- ImmediateIMP (NCT07456553)
- Testing
- Implantology
- Where
- Italy
- Volunteers
- 5 people, healthy volunteers welcome
- Sponsor
- University of Bari Aldo Moro
Site Preservation, Soft Tissue Healing
Site Preservation Was Performed Through an Open Healing Oral Restorative Membrane
In this study, an open healing oral restoration membrane was used for site preservation in the esthetic area after tooth extraction to maintain the space for tooth extraction and bone formation.
- Conditions
- Site Preservation, Soft Tissue Healing, Anterior Dental Aesthetic Area
- Trial name
- NCT07334067
- Testing
- site preservation surgery with open healing, site preservation surgery with close sutures
- Where
- China
- Volunteers
- 40 people, healthy volunteers welcome
- Sponsor
- The Dental Hospital of Zhejiang University School of Medicine
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
Vestibular Diseases, Peripheral Neuropathies
Use of a Vibrotactile Sensory Prosthesis in Patients With Postural Imbalance and Spatial Disorientation
The investigators propose to explore the hypothesis that vibrotactile channels for indicating spatial orientation can be exploited as a sensory prosthesis.
- Conditions
- Vestibular Diseases, Peripheral Neuropathies, Proprioceptive Disorders, Hemispatial Neglect
- Trial name
- NCT00146952
- Testing
- Vibrotactile feedback
- Where
- United Kingdom
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Imperial College London
Doctor Efficiency, Dental Prosthesis Fit
Navigated Photogrammetry Compared to Standard Stereophotogrammetry
The purpose of this study is to compare the clinical outcome of Navigated Photogrammetry to standard stereophotogrammetry techniques in digital dentistry for the following two parameters: The amount of time needed to prepare the…
- Trial name
- FSTMP (NCT06506747)
- Testing
- Navigated Photogrammetry, Standard Photogrammetry
- Where
- United States
- Volunteers
- 4 people, healthy volunteers welcome
- Sponsor
- X-Nav Technologies, LLC
Elbow Fracture, Elbow Arthropathy
Can Secondary Total Elbow Arthroplasty After Failed Internal Fixation or Non-operative Treatment of Distal Humeral Fractures Achieve Equal Results as Primary Arthroplasty?
Total elbow arthroplasty (TEA) results in immediate pain release with good functional results after distal humerus fractures. But still open reduction and internal fixation is recommended as treatment of choise due to a lifelong…
- Trial name
- NCT03302533
- Testing
- Total elbow arthroplasty
- Volunteers
- 23 people, healthy volunteers welcome
- Sponsor
- Diakoniekrankenhaus Friederikenstift
Clinical and Radiographic Effect, Thick-gingiva
Radiographic Evaluation of a Star-shaped Incision Technique
To evaluate a star-shaped incision technique to thick-gingiva and thingingiva patients treated with implant-supported fixed prosthesis.
- Conditions
- Clinical and Radiographic Effect, Thick-gingiva, Thin-gingiva, Implant
- Trial name
- NCT05190614
- Testing
- The biotype of gingiva
- Where
- China
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Wen Luo
Ankle Arthritis
Total Ankle Replacement: Clinical and Radiological Outcomes
This retrospective and prospective study intends to evaluate the epidemiology and effectiveness of ankle joint surgery in patients operated from January 2011 to March 2026, evaluating the results both clinically and…
- Trial name
- NCT03650010
- Testing
- Total ankle replacement
- Where
- Italy
- Volunteers
- 1,066 people, healthy volunteers welcome
- Sponsor
- I.R.C.C.S Ospedale Galeazzi-Sant'Ambrogio
Anophthalmos, Unilateral, Prosthesis User
Subjective Perception of Ocular Prosthesis Wear
The loss of an eye, whether congenital or acquired, is a severe psychological trauma with negative impact on the quality of life of the patient.
- Trial name
- NCT04321382
- Where
- Belgium
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Universitaire Ziekenhuizen KU Leuven
Prosthesis User, Digitalism
"Clinical Evaluation of Retraction Cord Effectiveness Using Intraoral Scanner
Dental-supported fixed partial dentures (FPDs) have long been a commonly preferred treatment method for the rehabilitation of teeth with excessive substance loss and for addressing existing tooth deficiencies.
- Trial name
- NCT06447389
- Testing
- retraction cordu (SURE-CORD®PLUS)
- Where
- Turkey (Türkiye)
- Volunteers
- 32 people, healthy volunteers welcome
- Sponsor
- Hacettepe University
Survival, Prosthesis, Oxygen Deficiency
Awake Prone Positioning for COVID-19 Acute Hypoxaemic Respiratory Failure
The objective of our study is to evaluate the effectiveness of prone position in preventing intubation or death in spontaneously ventilated patients with COVID-19 with acute respiratory failure.
- Trial name
- NCT05866289
- Testing
- Prone position
- Where
- Morocco
- Volunteers
- 1,069 people, healthy volunteers welcome
- Sponsor
- Mohammed VI University Hospital
Chronic Pain Syndrome, Pain
Veteran Ear Acupuncture Pilot Project
Veterans who have responded well to Battlefield Acupuncture (BFA), a form of auricular acupuncture, in routine clinical practice will be invited to receive education to insert the needles themselves at home.
- Conditions
- Chronic Pain Syndrome, Pain, Fibromyalgia, Low Back Pain
- Trial name
- SAAAPP (NCT04208659)
- Testing
- Self-administration of auricular acupuncture without prosthesis, Self-administration of auricular acupuncture with prosthesis
- Where
- United States
- Volunteers
- 12 people, healthy volunteers welcome
- Sponsor
- Chillicothe VA Medical Center
Prosthesis (Internal) Complications
Comparison of Prosthetic Complications and Framework Misfit Among Different Cobalt-Chromium Framework Fabrication Techniques
This randomized clinical study aimed to compare prosthetic complications and framework misfit associated with three different fabrication techniques of cobalt-chromium frameworks-conventional casting, CAD/CAM milling, and…
- Trial name
- NCT07489027
- Testing
- Implant supported prosthesis
- Where
- Egypt
- Volunteers
- 27 people, healthy volunteers welcome
- Sponsor
- Mansoura University