ZIRCONIA SINTERED BODY
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United States of America Patent
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Issued Date -
Feb 17, 2022
app pub date -
Dec 16, 2019
filing date -
Dec 16, 2019
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Abstract
The present invention provides a zirconia sintered body that has less excess material to be removed when making a prosthesis by milling, providing a reduction of work time, more durability for a working tool, and a faster treatment for patients, and that undergoes little deformation during firing, and provides enhanced aesthetics. The present invention relates to a columnar zirconia sintered body having a base and a side face, the base having a surface shape that is neither square nor rectangular but has at least one straight portion.
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