Quiz 6

Question 1

When polishing a PFM restoration, which of the following is recommended?

a) Hold the stone parellel to the junction of the porcelain and metal
b) Brown and Green stones are acceptable to polish porcelain and metal
c) It is easiest to polish porcelain restoration once its been cemented so you can see where the porcelain needs polishing
d) Margin polishing is best done with the polisher perpendicular to the margin

Answer 1

D

Question 1

The following steps during a bridge try-in and cementation are ideal times to take a radiograph to confirm marginal fit EXCEPT:

a) metal framework try-in
b) pre-cementation
c) post-cementation
d) all of the above

Answer 1

D

Question 2

These two teeth (#2 and #3) have been prepared for Zirconia crowns and build up’s have been placed. Due to the short clinical crowns, which type of cement would be ideal?

a) RMGI luting cement
b) resin cement
c) any cement will work

Answer 2

B

Question 3

Please complete the following statement.

When cementing e.Max restorations, _______________________ is used to create micro retention. In addition, using _________ following the previous step, enhances bonding between the ceramic and the cement.

a) Glutaraldehyde; Dentin Bonding Agent
b) Phosphoric Acid; Silane
c) Hydrofluoric Acid; Silane
d) Diamond Bur Roughening; Dentin Bonding Agent

Answer 3

C