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| Why Zirconia? |
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| In the past, most crowns and bridges have been Porcelain-Fused-to-Metal (PFM). These restorations, built on a dark metal alloy base, tend to look opaque and monochromatic, with a darker grayness at the gum line. All ceramic dental restorations made with Ziecon match the appearance and translucency of natural teeth. |
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