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Long Span Dental bridge. Full Upper Arch Zirconia is the dental biomaterial of choice in contemporary restorative dentistry. Zirconia was introduced to the dental world as a ceramic material intended to be utilized for the fabrication of Zirconia crowns and Zirconia bridges. Zirconium oxide (ZrO2), or zirconia, is a metal oxide that was identified as a reaction product of heating the gem( zircon) by the German chemist Martin Heinrich Klaproth in 1789 . • The name of the metal, zirconium, comes from the Arabic Zargon (golden in colour) which in turn comes from the two Persian words Zar (Gold) and Gun (Colour). Tend dental white crystalline oxide of .straight my teeth. mineral, which is found primarily in Australia and Brazil. Zirconia crystals are compressed into a block, or puck, which has a chalk-like consistency. Zirconia CAD/CAM Blocks Soft machining Hard machining, fabricated from a porous block, milled oversized by about 25%, and sintered to full density in a 4 - 6 hours cycle. • Alt
