#MCQ 24 : Dental Stone and Dental Plaster both have a slightly different type of principal component (Calcium sulfate hemihydrate). Dental Plaster has:

#MCQ 24 : Dental Stone and Dental Plaster both have a slightly different type of principal component (Calcium sulfate hemihydrate). Dental Plaster has:

A. Beta-hemihydrate and dental stone has gamma hemihydrate
B. Alpha hemihydrate and dental stone has beta hemihydrate
C. Gamma hemihydrate and dental stone has beta hemihydrate
D. Beta hemihydrate and dental stone has alpha hemihydrate

Answer D. Dental Plaster has beta hemihydrate and dental stone has alpha hemihydrate.

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