Clinical trials: Three Dimensional
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
Breast Cancer
Breast Aesthetics by Three Dimensional Measures
Traditionally the measures of the optimally aesthetic breast have been assumed to be static and to represent universal values (1).
- Trial name
- NCT03578484
- Testing
- Aesthetic assessment 3D breast scanning
- Where
- 2 sites in Norway
- Volunteers
- 32 people
- Sponsor
- Sykehuset Telemark
Pregnancy
Three-Dimensional Ultrasound (3D US) in Parturients
The purpose of this study is to compare accuracy of a new three-dimensional ultrasound (3D US) technique with the traditional palpation method for identification of the needle insertion site on patients' skin before epidural…
- Trial name
- NCT01523249
- Testing
- Lumbar 3D ultrasound scanning and palpation (Ultrasonix )
- Where
- Canada
- Volunteers
- 20 people
- Sponsor
- University of British Columbia
Endometrial Cancer, Endometrial Neoplasms
Can 3D Ultrasound be Used as an Alternative to MRI to Assess Myometrial Invasion in Endometrial Cancer?
Aim: Assess the diagnostic accuracy of 3D Ultrasound, compared to MRI and final histology with respect to myometrial invasion of endometrial cancer.
- Conditions
- Endometrial Cancer, Endometrial Neoplasms, Endometrial Hyperplasia
- Trial name
- NCT03207061
- Testing
- 3D Ultrasound
- Where
- United Kingdom
- Volunteers
- 500 people
- Sponsor
- Imperial College London
Mandibular Fractures
Patient Specific Plates Versus Conventional Miniplates for Treatment of Mandibular Body Fractures
The aim of the current study is to evaluate and assess the clinical stability and efficacy of patient specific computer guided titanium plates versus the conventional titanium mini plates regarding accurate reduction and fixation…
- Trial name
- NCT03608891
- Testing
- Computer guided patient specific 3D titanium plate, Conventional titanium miniplates
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Cairo University
Fatty Liver
Evaluate Patients With Chronic Hepatitis by Three-dimensional Force-controlled Ultrasound Measurement
Ultrasound (US) B mode image is an alternative method to measure tissue structure and has proven to be an accurate technique to measure subcutaneous fat thickness.
- Trial name
- NCT02784925
- Testing
- Ultrasound (US) B mode image
- Volunteers
- 30 people, healthy volunteers welcome
- Sponsor
- Taipei Medical University WanFang Hospital
Stroke
Effect of Motor Imagery With Virtual Reality in Patients With Stroke
Virtual reality applications in hemiplegia rehabilitation are gaining popularity. It is claimed that, apart from implementing a function, imagining that function can trigger synaptic connections.
- Trial name
- NCT04215679
- Testing
- Three-dimensional immersive virtual reality application, Motor imagery, Conventional physiotherapy
- Where
- Turkey (Türkiye)
- Volunteers
- 36 people
- Sponsor
- Abant Izzet Baysal University
Placenta Accreta
Detection of Urinary Bladder Wall Involvement in Abnormally Invasive Placenta (AIP) by 3D Ultrasonography
In the last three decades , the raise in cesarean delivery rates has led to a massive increase in the incidence of the abnormally invasive placenta .Complete separation of the abnormally invasive placenta is very difficult and…
- Trial name
- NCT05813743
- Testing
- 3 dimensional ultrasound
- Where
- Egypt
- Volunteers
- 52 people
- Sponsor
- Cairo University
Airway Disease
Treatment of Central Airway Stenoses Using Computer-Assisted Customized 3d Stents TATUM
Airway stenting is usually efficient to treat central airway obstruction but can lead to severe and potentially lethal complications (stent migration, obstructive granuloma, perforation, and hemoptysis).
- Trial name
- TATUM (NCT04848025)
- Testing
- Custom-designed tracheobronchial prostheses
- Where
- France
- Volunteers
- 30 people
- Sponsor
- University Hospital, Toulouse
Dental Health, Space Maintainer
Evaluation of Band-Loop Space Maintainers Produced With Three-Dimensional Printer and Conventional Technique
Our research is planned as a randomised clinical trial. The main aim of our study is to evaluate the clinical success of band and loop space maintainers produced by three-dimensional printer and conventional technique and the…
- Conditions
- Dental Health, Space Maintainer, Pediatric Dentistry, 3D Printing
- Trial name
- NCT06798090
- Testing
- Band and Loop Space Maintainer Produced with Three-Dimensional Printer, Band and Loop Space Maintainer Produced with Conventional Technique
- Where
- Turkey (Türkiye)
- Volunteers
- 27 people
- Sponsor
- Aydin Adnan Menderes University
Malocclusion, Angle Class II
"Three Dimensional Assessment of Maxillary Molars Following Distalization Using Two Different Approaches"
The goal of this controlled clinical trial is to compare the effects of two distalization methods supported by inter-radicular mini-screw for maxillary molars distalization in 20 adult patients with skeletal class I or moderate…
- Trial name
- NCT06240923
- Testing
- Maxillary molars distalization
- Where
- Egypt
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Ain Shams University
Barrett Esophagus, Esophageal Dysplasia
WATS3D for the Detection of Esophageal Dysplasia
Patients will be recruited from participating institutions prior to planned routine care EGD with WATS3D brush samples and forceps biopsies.
- Conditions
- Barrett Esophagus, Esophageal Dysplasia, Esophagus Adenocarcinoma
- Trial name
- NCT03008980
- Testing
- Diagnostic Test
- Where
- United States
- Volunteers
- 160 people
- Sponsor
- CDx Diagnostics
Coronary Artery Disease
Standard vs. 3-Dimensional Coronary Angiography: a Paired Comparison
Aim of this study is to evaluate whether the length of coronary segments, assessed by an experienced operator, using the "optimal view" of standard 2-dimensional coronary angiography, is over/underestimated with respect to the…
- Trial name
- 3-DCA (NCT00447148)
- Testing
- 3-dimensional coronary angiography
- Where
- Belgium
- Volunteers
- 36 people
- Sponsor
- Antwerp Cardiovascular Institute Middelheim
Postmenopausal Bleeding
Endometrial Evaluation in Cases of Postmenopausal Bleeding
The aim of this prospective observational study is to evaluate abnormal uterine bleeding in postmenopausal women using 3D(dimensional) ultrasound assessment of endometrial volume .Doppler assessment of endometrium and…
- Trial name
- NCT03847415
- Testing
- ultrasound
- Volunteers
- 100 people
- Sponsor
- Cairo University
Image-Guided Surgery
Fluoroscopy or 3-D Roadmap Imaging Software for Liver Tumor Treatment
Background: Researchers are interested in comparing two methods that doctors can use to position catheters in blood vessels. These methods are used to deliver chemotherapy and close the blood supply to a tumor.
- Trial name
- NCT01818440
- Testing
- 3D Roadmap software, Fluoroscopy
- Where
- United States
- Volunteers
- 28 people
- Sponsor
- National Institutes of Health Clinical Center (CC)
Scar Formation, Autologous Fat Grafting
3-D Imaging Assessment of Scar Formation and Would Healing in Fat Grafted vs Non-Fat Grafted Facial Reconstruction Wound Sites
The purpose of this study is to assess scar-formation and wound healing following the use of autologous fat grafting in facial reconstruction patients.
- Trial name
- NCT01750424
- Testing
- Autologous Fat Grafting, No intervention
- Where
- United States
- Sponsor
- Yale University
Meningioma
3D MRE-Based Evaluation of Meningioma Mechanical Properties and Histological Features
This prospective single-center study aims to evaluate the feasibility and clinical utility of three-dimensional magnetic resonance elastography (3D MRE) in assessing tumor stiffness and adhesion in patients with meningioma…
- Trial name
- NCT06955208
- Testing
- Magnetic Resonance Elastography, Intraoperative Assessment and Recording
- Where
- China
- Volunteers
- 300 people, healthy volunteers welcome
- Sponsor
- Shengjing Hospital
Malocclusion, Angle Class II
Dentoskeletal Changes Associated With Herbst Appliance Therapy
The aim of the study is to perform a three-dimensional (3D) evaluation of the dentoskeletal changes in pubertal Class II malocclusion subjects treated with the Herbst appliance (HAG), in comparison with a Class II comparison…
- Trial name
- NCT02456220
- Testing
- Herbst appliance
- Where
- Brazil
- Volunteers
- 50 people
- Sponsor
- Bernardo Quiroga Souki
Spinal Surgery of Vertebrae, Intervertebral Discs and the Spinal Cord, CT Scans
Automatic Optical Identification of the Spine Vertebrate Using Three-dimensional Optical Detection Based on a CT Test
CT scans of the spine include vertebrae, intervertebral discs and the spinal cord. These tests are performed in an orderly protocol and allow for three-dimensional reconstruction of the vertebra in sagittal and coronal guides.
- Trial name
- NCT04914585
- Where
- Israel
- Volunteers
- 200 people
- Sponsor
- Deep Health Ltd.
Complete Edentulism, Maxillary Complete Denture Rehabilitation
3D Printing Orientation and Film Thickness for Maxillary Complete Dentures
This randomized crossover clinical trial aims to evaluate the effect of different three-dimensional (3D) printing orientations and layer thicknesses on the trueness, dimensional accuracy, and patient satisfaction of maxillary…
- Conditions
- Complete Edentulism, Maxillary Complete Denture Rehabilitation, Prosthodontics, 3d Printing
- Trial name
- NCT07740278
- Testing
- 0° 3D-Printed Maxillary Complete Denture, 45° 3D-Printed Maxillary Complete Denture, 90° 3D-Printed Maxillary Complete Denture
- Where
- Egypt
- Volunteers
- 15 people, healthy volunteers welcome
- Sponsor
- Tanta University