47.
If the cavity preparation is performed in the appropriate order, which of the
procedures below is done first?
a. Beveling the enamel at the cervical seat.
b. Cleaving unsupported enamel walls.
c.
Outlining the cavity preparation.
d. Removing the bulk of decay.
48.
In placing an amalgam restoration, which of the following actions is a proper
procedure?
a. Matrix materials are included in the setup for a Class I restoration.
b. All excess zinc phosphate powder is removed from the glass slab after mixing.
c.
Trituration time and moisture contamination can determine the properties of
silver amalgam.
d. Pressure on the amalgam must be avoided.
49.
In resin restorations:
a. Metal matrices are required to hold and shape them.
b. Wooden wedges are included in the setup.
c.
Using the bulk flow method, the material is mixed as it is placed in the cavity.
d. The snap-head mandrel is the abrasive used for finishing.
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MD0503
2-46