A. Made by a combination of chemical precipitation and atomization
B. Made by electrolytic precipitation
C. Made by beating pure gold at high temperatures
D. Made by milling pure gold ingots
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Which of the following is true about direct filling gold______________?
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The malleting force is directed______________?
A. Properly condensed mat gold has no voids
B. Whatever may be the type voids are inherent
C. Voids can be avoided with manual condensation
D. None of the above
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Pitting of direct filling old restoration usually results from_________________?
A. Perpendicular to the walls
B. Parallel to long axis of crown
C. 45° to the wall
D. None of the above
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The cohesive gold used as bulk filler is_____________?
A. Using contaminated gold foil
B. Poor finished preparation
C. Improper stepping of condenser point
D. Using small condenser point
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