RAD Chapter 6

Front

Which of the following areas would appear the most radiopaque on a dental image?
Composite, Amalgam

Back

Amalgam

Front

Density is defined as

Back

the overall blackness or darkness of an image.

Front

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?

Back

The enamel

Front

Radiolucent refers to that portion of a dental image that is

Back

black

Front

If the milliamperage is increased, the receptor density ________, and the image appears ________.

Back

increases; darker

Front

If the operating kilovoltage is increased, the receptor density ____ because the average energy of the x-rays is raised.

Back

increases

Front

You have to retake a dental image on your patient because the image is too light and is undiagnostic. What could you change to produce an image with increased density? Options: Increasing the exposure time, Increasing the subject thickness

Back

Increasing the exposure time

Front

The teeth on your patient’s images appear very radiopaque and the periodontium and tissue appear very radiolucent. Your patient’s dental image has

Back

high contrast.

Front

A dental image that has ______________ is said to have high contrast.

Back

very dark areas and very light areas

Front

An increase in ___________ temperature will result in a film with increased contrast.

Back

scale of contrast.