RECYCLING OF SCRAP DENTAL ZIRCONIA BLOCK
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United States of America Patent
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Issued Date -
Aug 8, 2024
app pub date -
Jan 31, 2024
filing date -
Feb 3, 2023
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Abstract
A method that includes collecting scrap ZrO2 material; reducing sizes of the scrap ZrO2 material to produce a reduced-size scrap ZrO2 material; preparing a ceramic slurry comprising the reduced-size scrap ZrO2 material, deionized water, and at least one dispersant; milling the ceramic slurry to produce a milled ZrO2 slurry, wherein the milled ZrO2 slurry comprises a ZrO2 powder with a particle size distribution D(50) of 0.05 μm to 1.0 μm; and casting the milled ZrO2 slurry to prepare a ceramic block.
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