Question 112 · LDEK · Prosthodontic materials
Indicate the monocrystal ceramics:
1) feldspar ceramics;
2) glass-ceramics;
3) spinel ceramics;
4) alumina-based ceramics;
5) zirconia-based ceramics.
The correct answer is:
2) glass-ceramics;
3) spinel ceramics;
4) alumina-based ceramics;
5) zirconia-based ceramics.
The correct answer is:
- A. 1,2.
- B. 2,3.
- C. 3,4.
- D. 4,5.
- E. 1,5.
Hint
Glassy ceramics have an amorphous matrix and dental zirconia is polycrystalline; which oxides can be grown as single crystals, like sapphire?
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