Violation
Why would a densite form of gypsum be used to create a die for use in the fabrication of a wax pattern with the production of crowns and bridges? Except
Because the crystals in this gypsum form are porous/spongy
Because the crystals in this gypsum form are dense
Because the crystals in this gypsum form are hard
Because the crystals in this gypsum form are strong
