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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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Positron emission tomography (PET) is a medical imaging technique involving radiopharmaceuticals — substances that emit short-lived radiation. Although the first PET scanner was introduced in 1961, it took 15 more years before radiopharmaceuticals were combined with the technique and revolutionized its potential.
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Properties of Enantiomers and Optical Activity02:24

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It is essential to understand the difference between chiral and achiral interactions and the implications thereof in optical activity and their applications. Just as our feet, which are chiral, interact uniquely with chiral objects, such as a pair of shoes, but identically with achiral socks, enantiomers of a molecule exhibit different properties only when they interact with other chiral media. An example of a significant implication from this facet is the phenomenon known as optical activity,...
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Imaging Studies III: Computed Tomography01:27

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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 Biological Samples with Optical Microscopy01:18

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Optical microscopy uses optic principles to provide detailed images of samples. Antonie van Leeuwenhoek designed the first compound optical microscope in the 17th century to visualize blood cells, bacteria, and yeast cells. In 1830, Joseph Jackson Lister created an essentially modern light microscope. The 20th century saw the development of microscopes with enhanced magnification and resolution.
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Positron Emission Tomography (PET) is a medical imaging technique that provides crucial insights into the body's physiological functions at a molecular level. It is an indispensable resource for diagnosing, staging, and monitoring various illnesses, notably cancer, neurological disorders, and cardiovascular conditions.
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Doppler Optical Coherence Tomography of Retinal Circulation
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Optical Coherence Tomography.

Rujuta A Katkar1, Satyashankara Aditya Tadinada2, Bennett T Amaechi3

  • 1Department of Comprehensive Dentistry, UT Health, School of Dentistry, 7703 Floyd Curl Drive, San Antonio, TX 78229, USA.

Dental Clinics of North America
|June 16, 2018
PubMed
Summary
This summary is machine-generated.

Optical coherence tomography (OCT) provides noninvasive imaging of dental tissues. This technology is expanding its applications in dentistry for diagnosing issues like cracks, periodontal disease, and early cancer detection.

Keywords:
Dental OCTOptical coherence tomographyPS-OCTSS-OCT

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Area of Science:

  • Biomedical optics
  • Dental imaging technology

Background:

  • Optical coherence tomography (OCT) is a noninvasive diagnostic technique.
  • It provides cross-sectional images of biologic structures based on optical properties.

Purpose of the Study:

  • To highlight the growing applications of OCT in dentistry.
  • To explore OCT's potential in diagnosing various dental conditions.

Main Methods:

  • Utilizing OCT for visualizing dental hard tissues (teeth).
  • Employing OCT for visualizing dental soft tissues (gingiva and palate mucosa).

Main Results:

  • OCT successfully visualizes both hard and soft dental tissues.
  • Emerging applications include detecting microleakage, cracks, periodontal issues, oral cancer, and aiding endodontics.

Conclusions:

  • OCT is a promising and increasingly utilized technology in dentistry.
  • Its noninvasive nature and detailed imaging capabilities support diverse diagnostic applications.