Patent · US Active

Methods for making layered dental appliances

US8721938B2 · kind B2 · utility

1Cited by

21References

20Claims

0Family size

Assignee

3M INNOVATIVE PROPERTIES COMPANY · US

Inventors

Martin Goetzinger · Unterschleißheim, DE
Holger Hauptmann · Sindelsdorf, DE
Gallus Schechner · Herrsching am Ammersee, DE
Michael Jahns · Gilching, DE

Key dates

Filing date	Sep 23, 2010
Grant date	May 13, 2014
Priority date	—
Expiry date	Jul 15, 2031

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB33Y80/00
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.