Question 303 (part 2) · LDEK · Post and core restorations
Indicate true statements regarding individual ceramic post and cores:
1) indications are teeth, in case of which the planned restoration is in the form of all-porcelain and metal-porcelain crowns;
2) single canal and wide rooted teeth are required;
3) lack of visibility is the disadvantage;
4) cementing is low effective;
5) very hard to remove from the canal.
Correct answer is:
2) single canal and wide rooted teeth are required;
3) lack of visibility is the disadvantage;
4) cementing is low effective;
5) very hard to remove from the canal.
Correct answer is:
- A. 1,2,4,5.
- B. 1,2,3.
- C. 3,4,5.
- D. 2,3.
- E. 2,4,5.
Hint
Consider the aesthetic rationale for a ceramic post, the root form it needs, its radiopacity, bonding and retrievability.
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More questions on Prosthodontics
- In developmental period, during tooth preparation for post and core, it should be remembered about preparing the coronal part shaped as:
- Material, from which cores are made is:
- For final cementing of individual metal post and core, following cement may be used :
- Retention of post and core is not dependent on:
- Standard ceramic post and cores made of zircon oxide are characterized by:
- But joint preparation: