KATANA™ Zirconia Multi-Layered Discs are world's first polychrome zirconia with integrated color shift from the My Milling Center Miami. more info at the KATANA™ Zirconia ML Discs are the first polychrome high-performance zirconia blanks, which are manufactured with industrial scale and in exceptional constant quality. This polychrome zirconia disc consists of four pre-colored layers showing smooth enamel, dentin and cervical color shifts. They can be used easily in the everyday mil
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