Kit of parts and process for fast firing a porous zirconia article in combination with a surface treating agent containing a glass powder

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United States of America Patent

PATENT NO 12059483
APP PUB NO 20200405586A1
SERIAL NO

16975188

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Abstract

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The invention relates to a process of producing a dental zirconia restoration, the dental zirconia restoration having an outer and an inner surface, the process comprising the step of firing a porous dental zirconia restoration and a glass until the porous dental zirconia restoration is sintered, the glass being located during the firing step on at least a portion of the outer surface of the porous dental zirconia restoration, wherein the zirconia material of the porous dental zirconia restoration and the glass are selected such that during the firing step the glass infiltrates the pores of the porous dental zirconia restoration to an extent of not more than 5 μm in depth. The invention also relates to a sintered dental zirconia restoration obtainable by such a process and a kit of parts comprising a porous dental zirconia mill blank and a surface treating agent containing a glass for use in such a process.

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Patent Owner(s)

Patent OwnerAddress
SOLVENTUM INTELLECTUAL PROPERTIES COMPANY2510 CONWAY AVE E 3M CENTER 275-6E-21 MAPLEWOOD MN 55144

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Goetzinger, Martin Pflugdorf, DE 25 219
Hauptmann, Holger Sindelsdorf, DE 46 543
Rolf, Jacqueline C River Falls, US 18 732
Schmittner, Sybille Inning, DE 2 32

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