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X-ray Imaging

X-ray Imaging

German physicist Wilhelm Röntgen (1845–1923) was experimenting with electrical current when he discovered that a mysterious and invisible "ray" would pass through his flesh but leave an outline of his bones on a screen coated with a metal compound. In 1895, Röntgen made the first durable record of the internal parts of a living human: an "X-ray" image (as it came to be called) of his wife’s hand. Scientists worldwide quickly began their own experiments with X-rays, and by 1900, X-ray was widely...

Imaging Studies I: CT and MRI

Imaging Studies I: CT and MRI

Introduction: MRI and CT scans are crucial advancements in medical imaging techniques, playing a vital role in diagnosing conditions related to the gastrointestinal (GI) system. Each scan serves distinct purposes, targets specific areas, and requires unique nursing duties.
Description of the Procedures
Computed Tomography (CT) scan:
Computed Tomography (CT) scans use X-ray technology to generate detailed images of bones, organs, and tissues. During the scan, the patient lies on a moving table...

Computed Tomography

Computed Tomography

Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...

Imaging Studies III: Computed Tomography

Imaging Studies III: Computed Tomography

DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...

Three-Dimensional Microscopy in Microbiology

Three-Dimensional Microscopy in Microbiology

Three-dimensional imaging techniques are essential in cell biology, allowing researchers to visualize intricate cellular structures with high resolution. Two prominent methods, Differential Interference Contrast Microscopy (DIC) and Confocal Scanning Laser Microscopy (CSLM), provide distinct advantages for imaging live and thick specimens, respectively.Differential Interference Contrast MicroscopyDIC microscopy enhances contrast in transparent, unstained samples by converting phase...

Imaging Studies for Cardiovascular System III: X-Ray

Imaging Studies for Cardiovascular System III: X-Ray

The most common cardiovascular diagnostic test is an X-ray. It produces images of the heart, blood vessels, and adjacent structures.
Definition and Purpose
An X-ray, or radiograph, is a non-invasive method that uses ionizing radiation to take images of internal structures. It is mainly used in cardiac imaging to examine the heart, lungs, and major blood vessels, aiming to identify abnormalities in the heart's size, shape, and position, such as heart failure, congenital defects, and vascular...

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Dual-phase Cone-beam Computed Tomography to See, Reach, and Treat Hepatocellular Carcinoma during Drug-eluting Beads Transarterial Chemo-embolization

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Cone beam imaging: is this the ultimate imaging modality?

Bernard Koong¹

¹School of Dentistry, University of Western Australia, Nedlands, WA, Australia. bkoong@iinet.net.au

Clinical Oral Implants Research

|November 3, 2010

Summary

Cone beam (CB) imaging is a vital tool in orofacial diagnostics, offering a valuable complement to traditional 2D radiography and multislice computed tomography (MCT). Ultra-low dose CB systems are recommended for routine clinical use where appropriate.

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Reliability of Artificial Intelligence-Based Cone Beam Computed Tomography Integration with Digital Dental Images

Reliability of Artificial Intelligence-Based Cone Beam Computed Tomography Integration with Digital Dental Images

Published on: February 23, 2024

Area of Science:

Radiology
Dental Imaging
Medical Imaging Technology

Background:

Cone beam (CB) imaging is increasingly utilized in orofacial diagnostics.
Comparison with traditional 2D radiography and multislice computed tomography (MCT) is essential for understanding its role.
Radiation dose levels and image quality are critical factors in CB imaging adoption.

Purpose of the Study:

To provide a comprehensive overview of cone beam (CB) imaging technology in orofacial imaging.
To compare CB imaging with 2D radiography and multislice computed tomography (MCT) regarding radiation dose and image quality.
To discuss the clinical applicability and limitations of CB imaging in contemporary dental practice.

Main Methods:

Review of existing literature on cone beam (CB) imaging, 2D radiography, and multislice computed tomography (MCT).
Analysis of radiation dose levels associated with different CB systems, MCT, and 2D dental views.
Comparative assessment of image quality between CB and MCT modalities.

Main Results:

Significant variation exists in radiation dose levels among CB systems; ultra-low dose units are emphasized.
Low-dose MCT protocols are viable alternatives.
CB imaging complements, rather than replaces, other imaging modalities like 2D radiography, panoramic radiography, and MCT.
MCT remains the preferred modality in many clinical scenarios due to its power and flexibility.

Conclusions:

Cone beam (CB) imaging is an essential technique for orofacial clinicians, particularly when ultra-low dose systems are employed.
CB imaging should be integrated into daily practice where appropriate, but it is not universally superior to other methods.
Comprehensive evaluation of all radiologic examinations, considering clinician expertise and ethical implications, is paramount.