quiz 1 review

Question 1

T/F Caries detector dies are alone enough to determine adequate caries removal.

Answer 1

• False

- You need several other ways to determine

Question 2

What is a suck down or vacuform matrix made out of

Answer 2

-polypropylene sheet

Question 3

If the opaque layer is to close to the surface of your porcelain what does it do to your value?

Answer 3

-Increases it

Question 4

What form of the treatment plan do fixed prosthodontics come into play?

Answer 4

-Late in the treatment plan

Question 5

In the PFM If the coefficient of expansion is too far different in your porcelain from you metal would it work?

Answer 5

-No the stresses would be to great

Question 6

Do you want porcelain or metal to contract more?

Answer 6

-Porcelain

Question 7

What is the advantage of vacuum firing porcelain?

Answer 7

-Makes the porcelain more dense and increases strength

Question 8

Is there a true bond between porcelain and zirconia?

Answer 8

-No

Question 9

Is there a bond between porcelain and metal?

Answer 9

-Yes

Question 10

What is the absolute minimal amount of metal in a PFM

Answer 10

.3 mm

Question 11

What can inadequate occlusal reduction lead to?

Answer 11

• -Fractured porcelain
• Over contoured crown
• Perforations
• Broken temporaries