Question 29 (part 2) · LDEK · Root canal obturation
Choose correct statements regarding the titanium cones used for obturation in permanent teeth roots:
1) they show high tissue biocompatibility;
2) they are not subject to corrosion;
3) they are highly visible on rtg;
4) the level of sealing of plastic material with titan cones is high;
5) they are used in very narrow canals, which cannot be prepared wide enough for gutta-percha obturation.
Correct answer is:
2) they are not subject to corrosion;
3) they are highly visible on rtg;
4) the level of sealing of plastic material with titan cones is high;
5) they are used in very narrow canals, which cannot be prepared wide enough for gutta-percha obturation.
Correct answer is:
- A. 1,2.
- B. 1,2,3.
- C. 4,5.
- D. 1,2,5.
- E. all of the above mentioned.
Hint
Compare titanium with silver points: corrosion, tissue response, radiopacity and how well a rigid point adapts to the canal.
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