Chapter 09. Dental Ceramics
, 1. Porcelain restorations have a. Great stain resistance a. Great
b. Low wear resistance stain
c. No disadvantages resistance
d. Easy reparability
2. 2. Porcelain bonds to metal by which one of the
follow- c. Fusion with ox-
ing mechanisms? ides on the surface
a. Micromechanical retention such as resin to
etched of the metal enamel
b. Penetration through the surface of the metal
c. Fusion with oxides on the surface of the metal
d. Shrinkage when fired so that it locks onto the
metal
3. 3. The main advantage of all-ceramic crowns over a.
Their superior
porcelain-bonded-to-metal crowns is esthetics
a. Their superior esthetics
b. Their strength
c. Their ease of cementation
d. The ease of taking shades
, 1. Porcelain restorations have a. Great stain resistance a. Great
b. Low wear resistance stain
c. No disadvantages resistance
d. Easy reparability
2. 2. Porcelain bonds to metal by which one of the
follow- c. Fusion with ox-
ing mechanisms? ides on the surface
a. Micromechanical retention such as resin to
etched of the metal enamel
b. Penetration through the surface of the metal
c. Fusion with oxides on the surface of the metal
d. Shrinkage when fired so that it locks onto the
metal
3. 3. The main advantage of all-ceramic crowns over a.
Their superior
porcelain-bonded-to-metal crowns is esthetics
a. Their superior esthetics
b. Their strength
c. Their ease of cementation
d. The ease of taking shades
