Guest guest Posted March 5, 2012 Report Share Posted March 5, 2012 silver increses the expansion on setting due to gamma 1 phase (Ag2Hg3).Volume of gamma 1 is greater than Ag/Hg independently.{phillips dental material book UG}zinc causes delayed expansion if amalgm mix is contaminated witjh moisture during manipulation REGARDSAnu Quote Link to comment Share on other sites More sharing options...
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