The impression should not be removed from the gypsum for _______ minutes.
A) 3 to 5
B) 5 to 10
C) 10 to 20
D) 20 to 40
E) 45 to 60
Correct Answer:
Verified
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Q27: Which of the following is not a
Q28: Proper wetting occurs when gypsum is poured
Q29: What are gypsum casts used for?
A) Inlays
B)
Q30: Which of the following statements is true
Q31: Which statement(s) is (are) correct about making
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