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Related Concept Videos

Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

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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...
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Imaging Studies for Cardiovascular System V: CT01:28

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Cardiac computed tomography (CT) scanning is an advanced cardiac imaging technique that utilizes CT technology, with or without intravenous (IV) contrast, to produce accurate cross-sectional virtual slices of specific areas of the heart, coronary circulation, and major blood vessels such as the aorta, pulmonary veins, and arteries. The computer processes these slices to generate three-dimensional images. Multidetector CT (MDCT) is a rapid form of CT scanning that captures multiple slices...
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Computed Tomography01:10

Computed Tomography

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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...
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Imaging Studies I: CT and MRI01:14

Imaging Studies I: CT and MRI

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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...
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Radiological Investigation I: X-ray and CT01:30

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Radiological investigations, including X-rays and computed tomography (CT) scans, are critical for diagnosing and evaluating various medical conditions. These imaging techniques provide valuable insights into the body's internal structures, aiding in the detection of abnormalities, assessment of disease progression, and development of treatment strategies. This article delves into two primary radiological investigations, chest X-rays and CT scans, outlining their purpose, procedures, and...
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X-ray Imaging01:24

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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...
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Author Spotlight: Advancing CBCT and Digital Dental Image Integration with AI-Assisted Digitization
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Conebeam computed tomography: legal considerations.

Bernard Friedland1

  • 1Department of Oral Medicine and Diagnostic Sciences, Harvard School of Dental Medicine, Boston, Massachusetts, USA.

The Alpha Omegan
|July 22, 2010
PubMed
Summary

Cone Beam Computed Tomography (CBCT) revolutionized 3D imaging in dentistry. Earlier medical CT scans were too costly and offered poor value for most dental applications, limiting their use.

Area of Science:

  • Oral and Maxillofacial Radiology
  • Dental Imaging Technology

Background:

  • Conventional computed tomography (CT) was available since the 1970s but saw limited dental application due to cost and accessibility.
  • The cost-benefit ratio of medical CT was generally unfavorable for most dental diagnostic needs, despite its availability.

Purpose of the Study:

  • To highlight the transition of oral and maxillofacial radiology into the era of 3D imaging.
  • To discuss the historical limitations of conventional CT in dentistry.

Main Methods:

  • Review of the historical adoption and limitations of computed tomography in dental practice.
  • Comparison of early CT technology with the advent of CBCT.

Main Results:

  • Cone Beam Computed Tomography (CBCT) marked a significant advancement for 3D radiographic imaging in dentistry.

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  • Conventional CT was largely underutilized in dentistry due to high costs, limited access, and unfavorable cost-benefit ratios.

    • Conclusions:

    • CBCT enabled the widespread adoption of 3D imaging in oral and maxillofacial radiology.
    • The limitations of conventional CT hindered its integration into routine dental practice.