Question 205 (part 2) · LDEK · Post and core restorations

Degree of alveolar process atrophy around the tooth, which is about to be used for post and core, may be at maximum:

  1. A. 25%.
  2. B. 30%.
  3. C. 50%.
  4. D. 75%.
  5. E. there can be no alveolar process atrophy present.
Hint

Think about the crown-to-root ratio: how much of the root must remain anchored in bone for a post to be safe?

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