Question 41 · LDEK · Trauma to permanent teeth

Indicate the expected result of the replantation of an avulsed tooth with a closed apex with extraoral dry time exceeding 60 minutes:

  1. A. preserved vitality of periodontal ligaments.
  2. B. ankylosis.
  3. C. root resorption.
  4. D. pulp revascularization.
  5. E. B and C are correct.
Hint

Think what happens to periodontal ligament cells after an hour of dry storage and what tissue then replaces the root.

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