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NELDA STUDY GUIDE EXAM LATEST UPDATED
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NELDA STUDY GUIDE EXAM LATEST UPDATED...
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NELDA STUDY GUIDE EXAM LATESTUPDATED
Radiation - ANSWER Energy carried by waves or streams of particles
X-radiation - ANSWER a high-energy radiation produced by the collision
of a beam of electrons with a metal target in an X-ray tube
X-ray - ANSWER A beam of energy that has the power to penetrate
substances and record image shadows on photographic film
Radiology - ANSWER study of X-rays and radioactive substances and
their uses in the diagnosis and treatment of diseases
Radiograph - ANSWER This is a picture (a visible photographic record)
on film produced by the passage of X-rays through an object or body;
also called x-ray film.
Dental radiograph - ANSWER A photographic image produced on film
by the passage of x-rays through teeth and related structures
Radiography - ANSWER The art and science of making radiographs by
the exposure of film to x-rays
Dental radiography - ANSWER The production of radiographs of the
teeth and adjacent structures by the exposure of an image receptor to x-
rays
Dental radiographer - ANSWER Any person who positions, exposes,
and processes dental x-ray image receptors
Image - ANSWER a picture or likeness of an object
Image receptor - ANSWER A recording medium; examples include x-ray
film, phosphor plate, or digital sensor
, Imaging, dental - ANSWER the creation of digital, print, or film
representations of anatomic structures for the purpose of diagnosis
What is the importance of dental images? - ANSWER In dentistry, dental
images enable the dental professional to identify many conditions that
may otherwise go undetected and to see conditions that cannot be
identified clinically. Detection is one of the most important uses of dental
images.
Uses of Dental Images - ANSWER -Detect lesions
-Confirm or classify suspected disease
-Localize lesions or foreign objects
-Provide information during dental procedures
-Evaluate growth and development
-Illustrate changes secondary to caries,
-periodontal disease, trauma
-Document the condition of a patient
-Aid in development of a clinical treatment plan
Summarize the discovery of x-radiation. - ANSWER Wilhelm Roentgen
discovered X-rays in 1895 while testing whether cathode rays could
pass through glass.
He experimented with vacuum tubes and fluorescent screens. He
noticed the screens were glowing even though they were several feet
from the tube.
He determined that some mysterious ray was causing the screens to
glow. He called this mysterious ray "X"
Recognize the pioneers in dental x-radiation and their contributions and
discoveries. - ANSWER Otto Walkhoff―1895
➢Made the first dental radiograph
W.J. Morton―1895
➢Made the first radiograph using a skull
C. Edmund Kells―1896
➢Exposed the first dental radiograph in the UnitedStates using a live
person
William H. Rollins
➢Developed the first dental x-ray unit
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