Multiple Choice
A sprue forms a channel in the investment through which the molten alloy travels to form the restoration.Sprues often are wax but also may be plastic or even metal.
A) Statement 1 is correct; statement 2 is correct.
B) Statement 1 is correct; statement 2 is incorrect.
C) Statement 1 is incorrect; statement 2 is correct.
D) Statement 1 is incorrect; statement 2 is incorrect.
Correct Answer:
Verified
Correct Answer:
Verified
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