Dental product with enhanced toughness
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United States of America Patent
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Nov 14, 2023
Grant Date -
Jun 10, 2021
app pub date -
Nov 6, 2018
filing date -
Nov 7, 2017
priority date (Note) -
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Abstract
The present invention provides a dental product comprising a base material formed of a zirconia sintered body, and having high aesthetic quality with enhanced fracture toughness and with reduced chipping and cracking in the porcelain layer. The present invention also provides a method for manufacturing such a dental product. The present invention relates to a dental product comprising: a base material formed of a zirconia sintered body, and a porcelain layer, wherein the porcelain of the porcelain layer has a suitable firing temperature of 900° C. or more, and the porcelain layer has a fracture toughness value of 1.20 MPa·m0.5 or more.
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