Why are high copper dental amalgams considered better than other types of amalgams?

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They exhibit reduced marginal deteriorationThey can be manipulated with a lower mercury-to-alloy proportionThey possess a greater tensile to compressive strength ratioThey show decreased resistance to corrosion and tarnishing

Explanation

High copper dental amalgams are preferred because they demonstrate less marginal breakdown compared to other amalgams, enhancing their durability and longevity in dental restorations.