Question 320 · LDEK · Bridges
The span surface that is in direct contact with the mucosa must be made of smooth, non-absorbable and biocompatible materials, such as:
1) ceramics;
2) acrylic resin;
3) polished metal;
4) polished composite;
5) non-synthesized zirconium.
The correct answer is:
2) acrylic resin;
3) polished metal;
4) polished composite;
5) non-synthesized zirconium.
The correct answer is:
- A. 1,2.
- B. 1,2,3.
- C. 1,3.
- D. 3,4.
- E. all the above.
Hint
Choose surfaces that stay glass-smooth and non-porous over years of contact with the mucosa.
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