Essentials of Dental Radiography and Radiology E-Book by Eric Whaites & Nicholas Drage

Essentials of Dental Radiography and Radiology E-Book by Eric Whaites & Nicholas Drage

Author:Eric Whaites & Nicholas Drage [Whaites, Eric]
Language: eng
Format: epub, azw3
ISBN: 9780702051685
Publisher: Elsevier Health Sciences
Published: 2013-07-10T00:00:00+00:00


Magnetic resonance is another specialized imaging modality that does not involve the use of ionizing radiation. It is now widely available and is becoming increasingly sophisticated and important in imaging intracranial and soft tissue lesions.

Essentially it involves the behaviour of protons (positively charged nuclear particles, see Ch. 2) in a magnetic field. The simplest atom is hydrogen, consisting of one proton in the nucleus and one orbiting electron, and it is the hydrogen protons that are used to create the MR image. The image itself is another example of a tomograph or sectional image that at first glance resembles a CT image.



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