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Alpen® Z-Rex Zirconia Diamond Burs enable effortless processing or removal of ceramic restorations such as zirconia oxide, lithium disilicate and zirconia reinforced lithium silicate. • Combines durability and effectiveness, minimizing the quantity of burs required for cutting zirconia • Coarse grit increases crown cutting efficiency • Individually packaged in blisters for easy opening and tracking • Improved efficiency over longer cutting periods • Reduced delamination of diamonds, which results in higher durability and efficiency • Protect the restoration from microcracks during crown adjustments • Shortens procedure time