Question 315 (part 2) · LDEK · Prosthodontic materials
Etching with 9.5% hydrofluoric acid does not lead to forming microretention in case of:
- A. ceramics based on aluminum oxide and zircon dioxide.
- B. ceramics based on aluminum oxide and lithium disilicate.
- C. feldspathic and zircon dioxide.
- D. leucite and feldspathic.
- E. lithium disilicate and glass.
Hint
HF etching dissolves the glassy phase; which ceramics are polycrystalline with almost no glass?
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
- In bilateral subluxation of TMJ, mandible deviation:
- Audible symptoms in the form of crackling indicates:
- In case of unilateral canine guidance, active is:
- In order to assess the premature contacts, you may use:
- Indicate true statements regarding the mediotrusive contacts:
- In established unilateral dislocation of articular disc without blockage, you observe: