Radiology Question:

Which of the following is MOST radioapaque?
a. amalgam
b. porcelain
c. composite
d. acrylic?

Radiology Interview Question
Radiology Interview Question

Answer:

a. amalgam


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A diagnostic film is produced using 10 mA and .5 second. What exposure time is needed to produce the same film at 20 mA?When viewed on a light source, a dental radiograph that demonstrates many shades of gray is said to have:
a. high contrast
b. low contrast
c. high density
d. low density