Question 29 · LDEK · Fixed restorations
Indicate the complications that may occur during preparation of the abutment tooth for fixed prosthetic restorations:
1) insufficient abutment preparation;
2) excessive abutment preparation;
3) thermal injury of the pulp;
4) injury of adjacent teeth;
5) accidental preparation of opposing teeth;
6) periodontal injury;
7) injury of the lip, cheek, tongue;
8) swallowing or aspiration of the bur.
The correct answer is:
2) excessive abutment preparation;
3) thermal injury of the pulp;
4) injury of adjacent teeth;
5) accidental preparation of opposing teeth;
6) periodontal injury;
7) injury of the lip, cheek, tongue;
8) swallowing or aspiration of the bur.
The correct answer is:
- A. 1,2,4,5,8.
- B. 2,4,5,7.
- C. 4,6,7,8.
- D. 3,4,6,7.
- E. 1,2,3,4,6,7,8.
Hint
List what the bur can harm while preparing an abutment — tooth, pulp, neighbours, soft tissues, airway — and find the item that is not typical.
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