Methods for making layered dental appliances

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United States of America Patent

PATENT NO 8721938
APP PUB NO 20120193823A1
SERIAL NO

13497380

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Abstract

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A system and method for making a layered dental appliance. The system can include a mold comprising a negative of an outer shape of a layered dental appliance, and a dental core dimensioned to be at least partially received in the mold. The method can include positioning a first slurry in the mold, and pressing the dental core into the first slurry in the mold to form a first article comprising the dental core and a first layer formed from the first slurry. The method can further include removing the first article from the mold, and firing the first article. The method can further include positioning a second slurry in the mold, and pressing the first article into the second slurry in the mold to form a second article comprising the dental core, the first layer, and a second layer formed from the second slurry.

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Patent Owner(s)

Patent OwnerAddress
3M INNOVATIVE PROPERTIES COMPANYP O BOX 33427 ST PAUL MN 55133-3427

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Goetzinger, Martin Eching am Ammersee, DE 25 219
Hauptmann, Holger Sindelsdorf, DE 46 543
Jahns, Michael Gilching, DE 43 285
Schechner, Gallus Seefeld, DE 46 408

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