Clinical trials: CT Scan
Malocclusion, Class I/II, Crowding
A Comparative Study Between Modified Miniscrew-Assisted Rapid Palatal Expander And Modified Rapid Palatal Expander in Molar Distalization Using Cone- Beam Computed Tomography
Comparative study between modified miniscrew-assisted rapid palatal expander and modified rapid palatal expander in molar distalization using CBCT.
- Conditions
- Malocclusion, Class I/II, Crowding, Maxillary First Molar Distalization
- Trial name
- MIDPAC (NCT07038902)
- Testing
- Group A: Modified Miniscrew-Assisted Rapid Palatal Expander (MARPE), Group B: Modified Rapid Palatal Expander (RPE)
- Where
- Egypt
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Al-Azhar University
Reversible Pulpitis
Efficacy of Calcium Silicate Pulp-capping; a Randomized Controlled Clinical Trial
This study aims to investigate the tooth nerve response to a recently introduced therapeutic filling material (calcium silicate cement) called Biodentine and to assess the quality of the overlying filling compared to another…
- Trial name
- NCT02201641
- Testing
- Cone Beam computed tomography (Morita Accuitomo), Periapical radiographs, calcium silicate cement (Biodentine™)
- Where
- United Kingdom
- Volunteers
- 53 people, healthy volunteers welcome
- Sponsor
- King's College London
Skeletal Class II Malocclusion, Mandibular Retrognathia
Fixed Versus Conventional Twin Block Appliances for Skeletal Class II Malocclusion
This study compares two types of dental appliances a fixed Twin Block appliance and a conventional (removable) Twin Block appliance used to treat a bite problem called skeletal Class II malocclusion in growing children and…
- Trial name
- NCT07687927
- Testing
- Conventional Twin Block Appliance
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Al-Azhar University
Scaphoid Bone, Fracture
Computerized Tomography to Help Diagnosis Pediatrics Scaphoid Fractures.
The purpose of this study is to find out whether computerized tomography will be better than plain radiographs in determining pediatrics scaphoid fractures.
- Trial name
- NCT00292006
- Testing
- Computerized tomography
- Where
- Canada
- Volunteers
- healthy volunteers welcome
- Sponsor
- London Health Sciences Centre Research Institute OR Lawson Research Institute of St. Joseph's
Lymph Nodes
Inguinal and Axillary LN Size Distribution
Recently, intralymphatic allergen-specific immunotherapy (ILIT) showed promising treatment outcomes for allergic rhinoconjunctivitis.
- Trial name
- NCT06559202
- Testing
- chest and abdominoplevic CT
- Where
- South Korea
- Volunteers
- 133 people, healthy volunteers welcome
- Sponsor
- Gachon University Gil Medical Center
Primary Hyperparathyroidism, Bone Disease
Bone Architectural Parameters in Postmenopausal Women Affected With Primary Hyperparathyroidism
Bone lesions are frequent in primary hyperparathyroidism (PHPT). Conventional measurement by Dual-Energy X-ray Absorptiometry does not provide enough information about the bone impact of excessive parathyroid hormone (PTH)…
- Trial name
- MicrOs (NCT02539498)
- Testing
- HR-pQCT
- Where
- 3 sites in France
- Volunteers
- 82 people, healthy volunteers welcome
- Sponsor
- Assistance Publique - Hôpitaux de Paris
Maturation of the Midpalatal Suture and Maxillary Third Molar Mineralization in Healthy Individuals
Correlation Between the Midpalatal Suture Maturity and the Maxillary Third Molar Mineralization: a CBCT Study
Assessing the maturation of the mid-palatal suture is an essential criterion for orthodontic decision-making. However, from a CBCT according to Angelieri's classification , it remains difficult for the practitioner's untrained…
- Trial name
- NCT07181707
- Where
- France
- Volunteers
- 200 people, healthy volunteers welcome
- Sponsor
- Central Hospital, Nancy, France
Class II Malocclusion
Evaluation of Maxillary Molar Distalization With Two Bone Supported Protocols Using Cone Beam Computed Tomography
The goal of this clinical trial is to to evaluate and compare the skeletal and dental changes of bone supported Fast Back and bone supported modified Leaf Spring Self-Activated Expander in bilateral distalization of maxillary…
- Trial name
- NCT06308640
- Testing
- Fast Back Rapid Distalizer, Modified Leaf Spring Self-Activated Expander
- Where
- Egypt
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Tanta University
Gingival Thickness, Gingival Biotype
The Use Of Specially Designed Probe Versus Cone- Beam Computerized Tomography In The Measurement Of Gingival Thickness: Diagnostic Accuracy Study
Accurate measurement of gingival thickness is crucial for decision making in the field of Periodontology and implant dentistry. Currently implemented techniques for the detection of gingival biotype are of limited reliability.
- Conditions
- Gingival Thickness, Gingival Biotype, Periodontal Probe
- Trial name
- NCT03628742
- Volunteers
- 24 people, healthy volunteers welcome
- Sponsor
- Cairo University
Endovascular Abdominal Aortic Aneurysm Repair
Contrast Ultrasound in the Surveillance of Endovascular Abdominal Aortic Aneurysm Repair
The purpose of this study is to support the suspected expectation that Contrast enhanced Ultrasound (CUS) detects all endoleaks that have been detected by Computed Tomography (CT), and also find a number of leaks missed by CT.
- Trial name
- NCT01022892
- Volunteers
- 140 people, healthy volunteers welcome
- Sponsor
- Ottawa Hospital Research Institute
Contrast Induced Nephropathy, Remote Ischaemic Preconditioning
Can Remote Ischaemic Preconditioning Reduce Contrast Induced Nephropathy in Patients Receiving Contrast for Computed Tomography?
Computated tomography (CT) is an invaluable medical resource for both physicians and surgeons. Contrast media are an aid to improve the diagnostic yield of CT.
- Trial name
- CT RIPC CIN (NCT01741896)
- Testing
- Remote ischaemic preconditioning
- Where
- Ireland
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Mid Western Regional Hospital, Ireland
Displaced Tooth
Assessment of Extraction of Primary Canines in Treating Mesioangular Displaced Permanent Canines
This research project is important because there is no gold standard to rely on regarding the effect of the extraction of primary canines as an interceptive treatment for children with mesioangular displaced canines.
- Trial name
- NCT03684525
- Testing
- Extraction of primary canines
- Where
- Saudi Arabia
- Volunteers
- 86 people, healthy volunteers welcome
- Sponsor
- King Abdulaziz University
Normal CT Scan, Dysplasic Disease
Dose-Quality Study in the Temporal Bone Computed Tomography in Routine Care
Because of the complexity of the structures studied, imaging the temporal bone requires compliance with a number of image quality criteria, in order to achieve optimum spatial resolution of the most clinically relevant anatomical…
- Conditions
- Normal CT Scan, Dysplasic Disease, Tumoral Disease, Infectious Disease
- Trial name
- NCT06827106
- Where
- France
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Aix Marseille Université
Normal Human Subjects
Single Photon Emission Computed Tomography of the Normal Human Brain
The objective of the study is to acquire a database of Single Photon Emission Computed Tomographic (SPECT) studies of the brains of normal human subjects in resting and concentrating states.
- Trial name
- NCT01203891
- Where
- United States
- Volunteers
- 97 people, healthy volunteers welcome
- Sponsor
- Amen Clinics, Inc.
Trauma
Time to Computed Tomography and Association With Survival in Indian Trauma Patients
The study aims to assess whether time to CT is associated with survival in adult trauma patients in an urban lower-middle income setting.
- Trial name
- NCT03453593
- Testing
- No intervention
- Where
- 4 sites in India
- Volunteers
- 16,000 people, healthy volunteers welcome
- Sponsor
- Karolinska Institutet
Inflammatory Bowel Disease, Crohn Disease
Skeletal Health and Bone Marrow Composition in Newly Diagnosed Adolescents With Crohn Disease
The investigators will be evaluating bone marrow composition via magnetic resonance imaging in newly diagnosed adolescents with Crohn disease (CD) compared to healthy, matched controls.
- Trial name
- NCT04508088
- Testing
- Coronal T1 weighted spin echo images, Spin-lattice relaxation (T1), Magnetic resonance spectroscopy
- Where
- United States
- Volunteers
- 92 people, healthy volunteers welcome
- Sponsor
- Massachusetts General Hospital
Radiation
CODP Imaging From a Dose Perspective
The noncontrast-enhanced chest computed tomography (CT) is an emerging diagnostical tool in patient with chronic obstructive pulmonary disease (COPD).
- Trial name
- NCT03581110
- Testing
- computed tomography
- Volunteers
- 1,957 people, healthy volunteers welcome
- Sponsor
- Universitätsmedizin Mannheim
Displacement of Other Bone Devices, Implants and Grafts, Mechanical Complication of Other Bone Devices, Implants and Grafts
Influence of Low-level Laser Therapy on Stability and Displacement of Orthodontic Miniscrew Implants
The purpose of this study is to evaluate the effect of Low level laser therapy on stability and displacement of orthodontic miniscrew implants using two different force application protocols.
- Trial name
- NCT02891499
- Testing
- Low-level laser therapy, Mediate force application
- Volunteers
- 29 people, healthy volunteers welcome
- Sponsor
- University of Sao Paulo
Atherosclerosis of Coronary Artery, Cardiovascular Disease
Radiation Dose From Computed Tomography Before and After Implementation of a High Pitch Dual Spiral Technique
The purpose of this study is to compare the radiation exposure of a variety of chest CT examinations performed on the current state of the art CT scanners (64 slice, dual source CT scanner) with the radiation exposure for…
- Conditions
- Atherosclerosis of Coronary Artery, Cardiovascular Disease, Pulmonary Embolism, Aortic Aneurysm Without Mention of Rupture Nos
- Trial name
- FLASH (NCT01111760)
- Where
- United States
- Volunteers
- 334 people, healthy volunteers welcome
- Sponsor
- Michael Gallagher
Genotoxicity, Cytotoxicity
Assessment of Cytotoxicity, Genotoxicity
Goal: The goal of this observational study is to evaluate the genotoxic and cytotoxic effects of OPG and CBCT on exfoliated buccal mucosal cells Main question: Does CBCT cause greater genotoxic and cytotoxic effects on buccal…
- Conditions
- Genotoxicity, Cytotoxicity, Ionizing Radiation Exposure, Dental X-Ray Exposure
- Trial name
- NCT07330401
- Where
- Malaysia
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- Yaxin Wang