Radiology · single question

For posterior restoration involving prepared central and lateral incisors with canine mesial visible: what radiographic value provides best diagnostic image?

  1. Value of 11
  2. Value of 10
  3. Value of 6
  4. Value is irrelevant
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Correct answer: B. Value of 10

A radiographic exposure value of 10 provides the appropriate density/contrast to visualize the mesial surface of the adjacent canine when central and lateral incisors have been prepared.

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