Question 58 (part 2) · LDEK · Trauma to permanent teeth
Indicate true statement regarding the tooth decoronation:
- A. it is performed at mixed dentition stage (10 to 12 years of life), after ankylosis presence for at least 2 years.
- B. at the age of 10-12 years, the increase of infraposition is slower than at permanent dentition stage.
- C. if the tooth’s root is filled, after cutting off the crown the filling is removed.
- D. if the root is not filled, it should be filled with MTA or Biodentine.
- E. cervical part of the root is removed up to 4 mm below the bone edge.
Hint
Recall what is left in the socket after decoronation and how the remaining root is expected to be replaced by bone.
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