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:
Oct. 27, 2020

Filed:

Jun. 05, 2015
Applicant:

Ivoclar Vivadent Ag, Schaan, LI;

Inventors:

Jörg Ebert, Buchs, CH;

Robert Grünenfelder, Eschen, LI;

Tobias Specht, Ruggell, LI;

Oliver Voigt, Trübbach, CH;

Assignee:

Ivoclar Vivadent AG, Schaan, LI;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61C 13/00 (2006.01); G05B 19/4097 (2006.01); A61C 13/083 (2006.01); A61C 5/77 (2017.01);
U.S. Cl.
CPC ...
G05B 19/4097 (2013.01); A61C 13/0019 (2013.01); A61C 13/083 (2013.01); A61C 5/77 (2017.02); A61C 13/0022 (2013.01); G05B 2219/35134 (2013.01); G05B 2219/45167 (2013.01);
Abstract

Methods for manufacturing a dental restoration for a patient and dental ceramics production devices are disclosed. A dental restoration may be designed based on a scan of the patient's mouth, using a CAD software module. The software module may produce conveyor channels for a positive model based on the dimensions of a muffle in relation to the size and shape of the positive model. The conveyor channels may extend at an angle of between 0° and 130° away from an axis of the pressing channel, the axis being located essentially along an isotherm inside the muffle. A docking site may be selected based on a position with the greatest wall thickness of the positive model. The present disclosure allows the creation of a high-quality dental restoration in a very efficient fashion, in particular when lithium disilicate is used as the dental ceramics material.


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