Image Quality Flashcards

1
Q

what would make an image too light?

A

inadequate processing and insufficient exposure

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2
Q

gray enamel and gray pulp chambers is an example of?

A

Insufficient contrast

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3
Q

what can make an image too dark?

A

o Over exposure
o Over development (film)
o Too much radiation hits then tough to distinguish and do not get contrast and gets foggy

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4
Q

cone cutting does what?

A

poor alignment of tube head with the film, rectangular collimator

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5
Q

blurring can be from?

A

Patient moving during imaging

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6
Q

Noise looks?

A

Grainy, static, not pixelated
Although the brightness of these images has been adjusted to display similar average gray values, notice the noisy appearance of the underexposed periapical radiograph (Fig. 4-16, A, 0.032 second) compared with the properly exposed radiograph (Fig. 4-16, B, 0.32 second).

likely from underexposed

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7
Q

exposure of a PSP plate to ambient light will cause?

A

noise

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