Dental Setting of POP is the result of: A Difference in solubility of CaSO4.1/2 H2O + CaSO4. 2H2O B Reaction between CaSO4. 2H2O and water C Nucleation and growth of CaSO4.1/2 H2O crystals D Reaction between hemihydrate and dihydrate π‘ Explanation Setting of POP is the result of: β Correct Answer: A. Difference in solubility of CaSO4.1/2 H2O + CaSO4. 2H2O