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Related Concept Videos

X-ray Imaging01:24

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...
Computed Tomography01:10

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 I: CT and MRI01:14

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...
Imaging Studies III: Computed Tomography01:27

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 Microbiology01:28

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...

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Reliability of Artificial Intelligence-Based Cone Beam Computed Tomography Integration with Digital Dental Images
05:49

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

Published on: February 23, 2024

Cone-beam imaging in dentistry.

Stuart C White1

  • 1UCLA School of Dentistry, University of California Los Angeles, Los Angeles, CA 90095-1668, USA. swhite@ucla.edu

Health Physics
|October 14, 2008
PubMed
Summary
This summary is machine-generated.

Cone-beam imaging offers detailed 3D views of dental structures, replacing conventional tomography for implant planning, orthodontics, and pathology assessment. Further development is needed for training and reducing patient radiation exposure.

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Area of Science:

  • Dentistry
  • Radiology
  • Medical Imaging

Background:

  • Cone-beam imaging utilizes a cone-shaped X-ray beam, differing from conventional fan-beam computed tomography (CT).
  • It captures images using flat panel or CCD detectors, enabling 3D volume reconstruction.
  • Isotropic voxels as small as 0.125 mm allow for high-resolution imaging.

Purpose of the Study:

  • To review the applications of cone-beam imaging in dentistry.
  • To identify areas requiring further development in the field.

Main Methods:

  • Cone-beam machines capture 160-599 basis images in a single rotation.
  • These images are processed to create 3D volumes, allowing multi-planar reconstructions.
  • 3D surface renderings of bone and soft tissues can be generated.

Main Results:

  • Common dental applications include implant planning, TMJ evaluation, orthodontic assessment, wisdom tooth proximity analysis, and infection/tumor detection.
  • Cone-beam imaging has largely superseded conventional tomography for these indications.
  • Effective radiation doses range from 6 to 477 microSv, with equipment costs between $150,000 and $300,000.

Conclusions:

  • Cone-beam imaging is a valuable tool in modern dentistry, offering versatile 3D diagnostic capabilities.
  • Key areas for future advancement include specialized training for practitioners and methods to minimize patient radiation dose.