Key Concepts of Amalgam Cavity Design Quiz

1. Which of the following 'designing the cavity to resist displacement of the restorative material from lifting forces'?

Convenience Form

Resistance Form

Outline Form

Retention Form

Final Form

2. Which of the following 'allows the tooth and restorative material to withstand masticatory forces, down the long axis of the tooth'?

Final Form

Resistance Form

Retention Form

Outline Form

Convenience Form

3. Which of the following is not a property of amalgam?

Adhesive

Good wear resistance

High compressive strength

Contains mercury

Brittle in thin sections

4. What is the ideal cavosurface angle for an amalgam restoration?

45°

90°

40°

70°

100°

5. What is the minimum cavity depth required for amalgam?

1.5mm

2mm

1mm

2.5mm

0.5mm