CAD CAM

Question 1

CAD/CAM COMPONENTS

Answer 1

(1) a data unit (scanner)

(2) Software for designing digital restorations

(3) Computerized milling device

Question 2

DIGITAL FABRICATION PROCESSES

Answer 2

1- Subtractive (milling and grinding)
2- Additive manufacturing (Rapid Prototype, RP or 3D printing)

Question 3

ADVANTAGES OF CAD CAM SYSTEM

Answer 3

❖less time, easier , no mess
❖No gag reflex
❖No errors due to wrong tray selection
❖Preparation review

Question 4

LIMITATIONS OF CAD/CAM TECHNOLOGY

Answer 4

1- the camera can only record what is visible to the camera lens.

2- computer error are possible .

3- cad and cam softwere can be expensive.

4- training is expensive.

Question 5

Cad cam is unique because…..

Answer 5

final restoration with out hand working.

Question 6

Cad cam axil reduction =

Answer 6

Depend on material, 0.5 - 1.5

Question 7

Cad cam total convergence should be ..

Answer 7

Between 4-6

Question 8

Morphology of internal line angles should be …

Answer 8

Rounded

Question 9

Morphology of gingival margin should be ..

Answer 9

Either, rounded shoulder or deep chamfer.

Question 10

Milling is

Answer 10

Type of restoration fabrication that utilities manufacturing technology from solid blocks

Question 11

The milling units are categorized into

Answer 11

(3 axes or 4 axes or 5 axes): in which both the 4 axes and 5 axes move linearly up and down