MULTILAYER OXIDE CERAMIC BODY WITH ALIGNED SINTERING BEHAVIOUR
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United States of America Patent
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Issued Date -
Jan 11, 2024
app pub date -
Sep 22, 2023
filing date -
Dec 23, 2016
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Abstract
Multilayer oxide ceramic bodies and in particular presintered multilayer oxide ceramic blanks and oxide ceramic green bodies, which comprise at least two different layers and are suitable for dental applications, wherein at least one layer contains La2O3 and the at least two different layers differ in their content of La2O3. These bodies can be thermally densified by further sintering without distortion and are therefore particularly suitable for the production of dental restorations. The invention also relates to a process for the production of such multilayer oxide ceramic bodies as well as a process for the production of dental restorations using the multilayer oxide ceramic bodies.
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