CAD/CAM E2

Question 1

What does CAD/CAM stand for?

Answer 1

Computer-aided design/computer aided manufacturing.

Question 2

What are the two types of CAD/CAM systems for dental offices?

Answer 2

Acquisitional only and scan and mill.

Question 3

What types of materials can be milled with CAD/CAM systems?

Answer 3

composites, feldspathic porcelain, leucite-reinforced ceramic, zirconia.

Question 4

Why is it necessary to dust the preparation with titanium oxide powder for some systems?

Answer 4

Powder provides surfaces that are uniform in color and reflectance.

Question 5

What is the milling unit that will not mill feldspathic porcelain?

Answer 5

PlanMill 40

Question 6

What is the milling unit that will only mill one material?

Answer 6

Carestream CS3000

Question 7

What is the best material used for cosmetics?

Answer 7

Feldspathic porcelain

Question 8

What measurement of surface roughness will you begin to retain plaque?

Answer 8

0.34-0.46 um. (resin ceramics.

Question 9

What is the surface roughness zirconia

Answer 9

0.1-0.15 um

Question 10

What is the surface roughness of lithium disilicate?

Answer 10

0.28-0.37um