WorksheetsRAD Chapter 6
Total questions: 10
Worksheet time: 5mins
Which of the following areas would appear the most radiopaque on a dental image?
Composite
Amalgam
Density is defined as
the overall blackness or darkness of an image.
the difference in degrees of blackness between adjacent areas on a dental image.
You are showing your patient a bite-wing image. Your patient points to a portion of the tooth that is the most radiopaque and wants to know what it is. What portion of the tooth is your patient pointing to?
The enamel
The pulp
Radiolucent refers to that portion of a dental image that is
black
white
If the milliamperage is increased, the receptor density ________, and the image appears _________.
increases; lighter
increases; darker
If the operating kilovoltage is increased, the receptor density ____ because the average energy of the x-rays is raised.
increases
decreases
You have to take retake a dental image on your patient because the image is too light and is undiagnostic. Which of the following could you change to produce an image with increased density?
Increasing the exposure time
Increasing the subject thickness
The teeth on your patient’s images appear very radiopaque and the periodontium and tissue appear very radiolucent. Your patient’s dental image has
low contrast.
high contrast.
A dental image that has ______________ is said to have high contrast.
many shades of gray
very dark areas and very light areas
An increase in ___________ temperature will result in a film with increased contrast.
subject contrast.
scale of contrast.
