Cements, Bases, and Liners

Question 1

____ of a cement has a profound effect on the adaptation of the restoration to the tooth.

Answer 1

Film thickness

Question 2

Regarding changing the powder/liquid ration of cements:

Heavier consistency = ?

Answer 2

Greater film thickness which leads to less complete sealing of the restoration.

Question 3

Ultimate film thickness depends on what? (5 things)

Answer 3

• Particle size of the powder
• Concentration of the powder in the liquid
• Viscosity of the liquid
• Consistency of the cement
• Amount of force applied at cementation

Question 4

____ of the cement and the ____ influence the ease with which cement is expressed from under the restoration.

Answer 4

Consistency, type of restoration