Amalgam

Question 1

These particle give more fluid mix which is easy to shape and condense, can be carved immediately and take 3h to reach occlusal strength

Answer 1

Spheroidal or mixture of spheroidal and lathe cut

Question 2

Preferred for pinned restorations

Answer 2

Spheroidal

Question 3

> 6 to reach occlusal strength

Answer 3

Lathe cut

Question 4

The weakest Sn – HG or gamma 2 Phase of the set amalgam could be eliminated by increasing the proportion of this material

Answer 4

Copper

Question 5

The percentage of copper added to amalgam to eliminate the weakest phase of set amalgam

Answer 5

10-30%

Question 6

This composition of alloy is more resistant to tarnishing

Answer 6

Silver tin copper

Question 7

The first conventional alloys introduced had a low copper content of this percent

Answer 7

5%

Question 8

Preparation should be Overfilled so that

Answer 8

The Mercury rich Layer is remote by carving

Question 9

Burnishing is the recommended in order to prevent

Answer 9

Marginal leakage

Question 10

Maximum strength of amalgam after restoration

Answer 10

24h

Question 11

Silver - 68%
Tin- 28%
Copper - 4%
Zinc - 0-2%

Answer 11

Conventional amalgam

Question 12

Silver - 60%
Tin 27%
Copper 13%
Zinc 0

Answer 12

High copper

Question 13

Microleakage can be reduced by this conventional cavity varnish

Answer 13

Copalite

Question 14

Microleakage can be reduced by this bonding agent in the interim

Answer 14

Amalgambond or panavia

Question 15

Allergy due to amalgam constituents

Answer 15

Lichenoid eruptions