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http://www.keatingdentalarts.com/products/kdz_ultra.php

•Keating Dental provides the best selection in all porcelain crowns and porcelain bridges. When a case demands the finest craftsmanship and highest esthetics, look no further than KDZ Ultra®. Our hand-layered Noritake CZR™ dental porcelain gives you radiant, natural beauty. It has a milled Zirconia (KDZ) substructure which means that the fit will be precise and predictable. KDZ Ultra® is no-holds-barred, providing best-of-the-best restoration in porcelain crowns and implants. These porcelain restorations will help you give your patients the "WOW" factor they so eagerly desire.