Alginate

Question 1

Setting time for alginate is best controlled by?

Answer 1

Water Temperature

Question 2

Tear strength and resistance to deformation increases or decreases with time?

Answer 2

Increases with time

Question 3

Reasonable bulk of alginate between the tray and teeth is how many mm?

Answer 3

5-7 mm

Question 4

Tearing decreases with increased or decreased rate of removal?

Answer 4

Increased

Question 5

Higher water/powder ratio increase or decreases strength?

Answer 5

Decreases Strength

Question 6

Saliva and blood through a process of _____ degrades casts

Answer 6

Syneresis: Shrinkage due to water loss via

Question 7

What is imbibition?

Answer 7

When alginate absorbs water (swells) on immersion

Question 8

How many ml of water and amount of g of alginate do you mix together?

Answer 8

28 g Alginate

68-72 ml Distilled Water

Question 9

Alginate loses its accuracy after?

Answer 9

10-12 minutes

Question 10

How long do you wait before separating casts from alginate?

Answer 10

45 minutes to 1 hour