Crown & Bridge

Question 0

Solder should melt at:

Answer 0

100°F below fusion temperature of parent metal.

Question 1

What will affect the expansion of investments?

Answer 1

Setting time

Question 2

The connector design for a posterior bridge should be:

Answer 2

Wider buccal-lingual than occlusal-cervically.

Question 3

Which porcelain contains high concentrations of special colorant metallic oxides?

Answer 3

Stains

Question 4

Fusing (maturing) temperature range of 2,000° to 2,300°F is typical for what group of dental porcelains?

Answer 4

Medium-fusing.

Question 5

Which type of pontic is not recommended for use because it can cause tissue irritation?

Answer 5

Ridge lap

Question 6

When spruing a bridge using the indirect technique, wax thickness is:

Answer 6

The smallest at the pattern area and is progressively larger to the crucible former.

Question 7

When using reservoir balls in the spruing technique the placement from the pattern should be:

Answer 7

1/16 of an inch.