The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Aug. 07, 2018

Filed:

Aug. 22, 2013
Applicant:

3m Innovative Properties Company, St. Paul, MN (US);

Inventors:

Malte Korten, Moorenweis, DE;

Daniel Oberpertinger, Gauting, DE;

Rudolf Schmid, Eichenau, DE;

Anja B. Fischer, Hechendorf, DE;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61C 13/00 (2006.01); A61C 13/083 (2006.01); B23C 3/00 (2006.01); A61C 13/08 (2006.01);
U.S. Cl.
CPC ...
B23C 3/00 (2013.01); A61C 13/0006 (2013.01); A61C 13/0022 (2013.01); A61C 13/082 (2013.01); A61C 13/083 (2013.01); B23C 2220/605 (2013.01); B23C 2226/18 (2013.01);
Abstract

The present invention relates to a method of producing a dental restoration from a partially-sintered or non-sintered blank using a three-dimensional dental restoration model, comprising the steps of: generating at least one or more first milling path for rough and/or fine milling; determining areas or zones of increased stress in the three-dimensional dental restoration model and generating at least one modified milling path; machining the blank by milling utilizing one or more first milling paths; selectively machining parts of the blank utilizing at least one modified milling path; and sintering the machined blank.


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