Midterm

Question 1

What type of impression material is NOT hydrophobic?

Answer 1

Polyethers

Question 2

What drug is generally considered a safer option in reducing salivary output than anticholenergics?

Answer 2

Clonidine

Question 3

Which two impression materials have high dimensional stabilities and can be stored for a long time before pouring?

Answer 3

1. Polyether and 2. Addition Silicone

Question 4

What three things can be used to aid in capturing pins in impression material?

Answer 4

1. Lentulo spiral, 2. cement tube and 3. nylon bristle

Question 5

What is the most natural-looking material of preformed materials?

Answer 5

Polycarbonate

Question 6

What major problem has prevented materials from being the “ideal interrim restorative”?

Answer 6

Dimensional change during solidification

Question 7

What is used to counteract potentially harmful effects of monomers?

Answer 7

Fillers

Question 8

What is the best cementation material available?

Answer 8

Zinc Oxide-eugenol (ZOE)

Question 9

Where are defects most noticeable in aesthetics?

Answer 9

Cervical third of the tooth