US 11,925,520 B2
Method of producing a dental object
Jörg Ebert, Buchs (CH); Pascal Scherrer, Chur (CH); Alexander Schöch, Schaan (LI); and Marius Aster, Kastelbell/Tschars (IT)
Assigned to Ivoclar Vivadent AG, Schaan (LI)
Filed by Ivoclar Vivadent AG, Schaan (LI)
Filed on Nov. 21, 2022, as Appl. No. 18/057,524.
Claims priority of application No. 21210515 (EP), filed on Nov. 25, 2021.
Prior Publication US 2023/0157795 A1, May 25, 2023
Int. Cl. B29C 64/393 (2017.01); A61C 13/00 (2006.01); B29C 64/40 (2017.01); B33Y 10/00 (2015.01); B33Y 80/00 (2015.01)
CPC A61C 13/0019 (2013.01) [B29C 64/393 (2017.08); B29C 64/40 (2017.08); B33Y 10/00 (2014.12); B33Y 80/00 (2014.12)] 16 Claims
OG exemplary drawing
 
1. A method of producing a dental object (100), comprising using a 3D printer for the steps of
producing (S101) a pillared support structure (101) that extends from the dental object (100) to a building panel (109); and
producing (S102) a lattice structure (103) configured to reinforce the support structure (101), the lattice structure (103) comprising one or more vertical struts (111) connected by one or more diagonal or oblique struts (113), the one or more vertical struts (113) (i) contact the building panel (109) without contacting the dental object (100).