Clinical trials: X-rays; Effects
Dental Caries, Teeth Loss
The Effect of Bitewing Radiography on Outcomes and Costs of Treating Caries in Permanent Teeth
Dentists commonly use bitewing radiographs (dental X-rays) together with a visual-tactile (clinical) examination to detect cavities between the back teeth.
- Conditions
- Dental Caries, Teeth Loss, Necrosis of Pulp, Irreversible Pulpitis
- Trial name
- BROCC (NCT07882693)
- Testing
- Visual-tactile caries examination, Visual-tactile caries examination and bilateral bitewing radiography
- Where
- Finland
- Volunteers
- 250 people, healthy volunteers welcome
- Sponsor
- Jukka Leinonen
White Spot Lesion of Tooth
Effect of Diode Laser With Dye and Remineralizing Agent on Surface Area of White Spot Lesions by Using Digital Subtraction Radiograph Techniques.
The current study was conducted to compare effect of diode laser and perio green dye with reminerlizing agent on surface area white spot lesions by using digital subtraction radiographic techniques.
- Trial name
- NCT07818655
- Testing
- remin pro
- Where
- Egypt
- Volunteers
- 90 people, healthy volunteers welcome
- Sponsor
- Al-Azhar University
Healthy, Medical Record Systems, Computerized
The Effects of a Results Management System on Physician Awareness of Post-Discharge Test Results
This project aims to define the problem of results that return after patient discharge and to study the implementation of an Electronic Medical Record (EMR)-based system for tracking these results.
- Trial name
- NCT00146354
- Testing
- Hospitalists Results Manager
- Where
- 2 sites in United States
- Volunteers
- healthy volunteers welcome
- Sponsor
- Brigham and Women's Hospital
Age-Related Osteoporosis
Dose-dependent Effects of Vitamin D on Bone Health
We propose to conduct a randomized double blind trial of three doses of vitamin D, 400, 4000, and 10,000 International Units (IU) per day, to assess the effect on bone density and architecture as assessed by high resolution…
- Trial name
- NCT01900860
- Testing
- Vitamin D
- Where
- Canada
- Volunteers
- 311 people, healthy volunteers welcome
- Sponsor
- University of Calgary
Ureteral Calculi, Masturbation
Rate of Spontaneous Stone Passage as Assessed Using Urinary Ultrasonography and Direct Urinary System Radiography
To evaluate the effect of masturbation on the spontaneous expulsion of distal ureteral stones 5-10 mm in size.
- Trial name
- NCT04550559
- Testing
- Endoscopic ureterolitotripsy
- Where
- Turkey (Türkiye)
- Volunteers
- 149 people, healthy volunteers welcome
- Sponsor
- Avrasya University
Dental Plaque
Analyzing the Effect of Air Polishing on Tooth Surfaces With Two Imaging Methods
Micro-CT is a non-destructive imaging method with high resolution and allows to examine all tooth structures individually. Pre- and post-application images obtained by micro-CT can be superimposed and differences can be precisely…
- Trial name
- NCT05196490
- Testing
- Micro-CT, CAD/CAM
- Where
- Turkey (Türkiye)
- Volunteers
- 14 people, healthy volunteers welcome
- Sponsor
- Kocaeli University
Healthy
X-Ray Computed Tomography and Blood Reactive Oxygen Species Level
The clinically widely used X-ray computed tomography examination has a low-grade radiation effect and recently has attracted much attention concerning the possible adverse effects of radiation on human body [ref. 1-5].
- Trial name
- NCT00712998
- Where
- Taiwan
- Volunteers
- 60 people, healthy volunteers welcome
- Sponsor
- National Taiwan University Hospital
Pathology
A Trial on the Effect of Simulation-based Diagnostic Abdominal Ultrasound Training
The investigators hypothesise that simulation-based training will have initial educational benefits and in coherence with the traditional apprenticeship model will heighten the educational end-level: That training on the…
- Trial name
- NCT02921867
- Testing
- Simulation-based training
- Where
- Denmark
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Copenhagen University Hospital, Rigshospitalet
Focus of the Study: DNA Damage Due to Medical Diagnostic X-ray
Impact of Antioxidant Agents on the Number of DNA Double-strand Breaks After Radiation-based Cardiac Examinations
Trial with medicinal products Recent studies revealed that radiation-based procedures in patients may lead to DNA double-strand breaks in human blood lymphocytes.
- Trial name
- NCT01578395
- Testing
- Low-dose radiation exposure, High-dose radiation exposure, No radiation exposure
- Where
- Switzerland
- Volunteers
- 102 people, healthy volunteers welcome
- Sponsor
- University of Zurich
Artificial Intelligence (AI), Deep Learning
The Construction and Effect Verification of a Deep Learning-based Automated Semantic Segmentation Model for Medical Imaging
Hepatocellular Carcinoma(HCC) is a common disease in China, ranking as the fourth most prevalent malignant tumor and the third leading cause of cancer-related deaths in the country.
- Conditions
- Artificial Intelligence (AI), Deep Learning, Laparoscopic Surgery
- Trial name
- NCT06864702
- Testing
- Whether the patient received diagnosis and treatment at Zhujiang Hospital of Southern Medical University and retained medical images such as abdominal
- Where
- China
- Volunteers
- 220 people, healthy volunteers welcome
- Sponsor
- Zhujiang Hospital
Post-COVID-19 Syndrome, COVID-19
Evaluation Of The Chronic Effects Of Covıd-19 Infection On The Respiratory System
The aim of this study is to evaluate whether there are chronic effects in the pulmonary system and systemic level in individuals in the post COVID19 period in order to elucidate the involvement of inflammation after recovery.
- Trial name
- NCT06439134
- Testing
- Pulmonary Ultrasound, Respiratory Function Test
- Where
- Turkey (Türkiye)
- Volunteers
- 100 people, healthy volunteers welcome
- Sponsor
- Yeditepe University
Low Back Pain
The Effect of Manipulations of the Lumbar Spine on Six Different Outcome Measures
1. Evaluation of the effect of a chiropractic adjustment (Manually Assisted Mechanical Force)on 2. surface Static EMG 3. Paraspinal cutaneous temperature 4. Range of Motion 5. Dynamic EMG 6.
- Trial name
- NCT00739570
- Testing
- AAI signature IV AMCT
- Where
- Canada
- Volunteers
- 20 people, healthy volunteers welcome
- Sponsor
- Université du Québec a Montréal
Radiology
VR to Reduce Pain/Anxiety During IV Starts
This study aims to test the effectiveness of virtual reality (VR) as a non-pharmaceutical intervention to reduce pain and anxiety in children undergoing peripheral intravenous catheter (PIVC) access in the Department of Radiology…
- Trial name
- NCT04942561
- Testing
- Samsung Gear VR, Merge VR
- Where
- United States
- Volunteers
- 107 people, healthy volunteers welcome
- Sponsor
- Children's Hospital Los Angeles