Question 311 (part 2) · LDEK · Dental laboratory technology
In lab fabrication of individual metal post and core, working model is cast from plaster of class:
- A. I.
- B. II.
- C. III.
- D. IV.
- E. V.
Hint
Working models for cast restorations need the hardest, most abrasion-resistant stone with low setting expansion.
The answer, the explanation and a note on every option are available once you log in. The account is free: topic tests, a mock exam, mistake review and statistics.
More questions on Prosthodontics
- Vasoconstrictors based on iron compounds should not be used for retraction in case of taking the impressions with some elastomer impression…
- The slightest changes in stability of impressions are observed as a result of being influenced by preparations based on water:
- Indicate true statements regarding acrylic materials:
- Etching with 9.5% hydrofluoric acid does not lead to forming microretention in case of:
- In bilateral subluxation of TMJ, mandible deviation:
- Audible symptoms in the form of crackling indicates: