A. Shrinkage of alloy on cooling
B. Investment breakdown
C. Incomplete wax elimination
D. Incomplete gas elimination
A. 700°C
B. 1,300°C
C. 1,063°C
D. 900°C
A. 30% cobalt and 60% chrominum
B. 60% cobalt and 30% chrominum
C. 1% palladium
D. 20% gold
A. Ti 6Al 4V
B. Ti 5Al 4V
C. Ti 5Al 5V
D. Ti 6Al 6V
A. Decrease flow
B. Continuous expansion
C. Relaxation of the internal stresses
D. Water loss
A. 19%
B. 2%
C. 1.7%
D. 4%
A. Remove the oxides formed on the gold alloy
B. Lower the melting point
C. Replace casting wax
D. Speed the burnout process
A. High quality iron
B. Chrome
C. Cobalt
D. Nickel
A. Ease of construction of denture
B. Preserving the sulci
C. Ease of pouring an impression
D. All of the above
A. ¼ inch
B. ½ inch
C. 3/8 inch
D. one inch