Violation

Which of the following statements is correct with respect to zinc containing amalgams?

Zinc is added during the manufacturing operation to increase the solubility of tin in silver

High copper amalgam restorations containing zinc demonstrate better overall survival rates

Amalgams containing zinc should be used when contamination with moisture is unavoidable during condensation.

Amalgams containing zinc produce a significantly better seal than zinc-free amalgams.

Please describe the matter of abuse