Vocab ImageTypes Technique issues Techniques Rules of Paralleling
100
What is Angulation
alignment of central ray of x-ray beam in horizontal and vertical planes
100
What is bitewing
type of image used for interproximal examination of both crowns and bone
100
What is perpendicular
intersecting at or forming a right angle
100
What is size 2
child occlusal images are taken with what size of receptor
100
What is central ray
– x-ray beam must be centered on the receptor to ensure that all the areas are exposed.
200
What is Calibration
scaling x-ray beam to proper size
200
What is occlusal
depicting large area of one arch
200
What is magnification
enlargement of an image
200
What is Bisecting the angle technique
the angle between the long axis of the tooth and the receptor divided in half
200
What is vertical angulation
the central ray of the x-ray of the beam must be directed perpendicular to the receptor and the long axis of the tooth
300
What is central ray
x-ray at center of beam; purest ray
300
What is periapical
radiographic view that shows the crown, root tip, and surrounding structures
300
What is overlapping
interproximal tooth surfaces are superimposed by incorrect horizontal angulation error, cannot view interproximal contacts
300
What is Paralleling technique
The central ray is aligned with the long axis of the tooth and the receptor at a right angle.
300
What is RECEPTOR POSITION
positioned parallel to the long axis of the tooth to be exposed.
400
What is bisecting angle
intraoral technique of exposing dental images; cutting angle in half
400
What is full mouth series
series consists of 18 to 20 images—generally, 14 periapical views and 4 to 6 bitewing views.
400
What is foreshortening
of images is caused by excessive (too much) vertical angulation, image is short and wide,
400
What is size 2
adult bitewings uses this size of receptor
400
What is RECEPTOR PLACEMENT
to cover intended region for exposure in the mouth
500
What is long axis of the tooth
imaginary line dividing the tooth longitudinally (vertically) into two equal halves
500
What is panoramic
extra-oral image commonly taken every 3-5 years
500
What is elongation
caused by insufficient (not enough) vertical angulation, image is long and stretched out
500
What is Right Angle technique
also known as Paralleling Technique
500
What is HORIZONTAL ANGULATION
the central ray of the x-ray beam must be directed through the contact area between the te






Lesson 3 Intraoral Imaging and Quality Assurance

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