Complex Amalgam Restoration

Question 1

In amalgam restoration,what we should do in insufficient tooth structure to gain retention?

Answer 1

Using of pins,slots and amalgam bonding to enhance retention

Question 2

Pins,slots and amalgam bonding inhanced…?

Answer 2

-Resistance of restorative
-Retention of restorative

Question 3

Capping cusps in which situations?

Answer 3

-exceeding 2/3 of intercuspal distance
-extensive caries

Question 4

Reduction of the cusps is required,in which situation?

Answer 4

To obtain adequate resistance form

Question 5

What is the instrument that reduces the cusps in capping?

Answer 5

Carbide fissure bur

Question 6

The depth reduction of the cusp(occlusal surface)In capping?

Answer 6

2mm depth

Question 7

Minimal Thickness of amalgam in capping procedure?

Answer 7

2 mm thickness

Question 8

What is the status of gingival wall in amalgam restoration?

Answer 8

-Should be relatively flat
-perpendicular to the long axis of the tooth

Question 9

Pins need ____ mm of occlusal clearance

Answer 9

4mm