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Patent Searching and Data


Title:
METHOD FOR PRODUCING A DENTAL RESTORATION BY CAD CASTING
Document Type and Number:
WIPO Patent Application WO/2012/085285
Kind Code:
A3
Abstract:
A method for producing a dental restoration (D) by CAD casting is described, said method comprising the steps of a) recording three-dimensional, digital data of the dentition or of part of the dentition of a patient, b) creating a virtual dental restoration (VD) using the recorded three-dimensional, digital data, wherein the virtual dental restoration (VD) is expanded in relation to the dental restoration (D) to be produced, c) preparing a model (M) using the created virtual dental restoration, such that the model (M) is expanded in relation to the dental restoration (D) to be produced, d) embedding the model (M) in an embedding compound (EM), e) hardening the embedding compound (EM) and removing the model (M), such that a casting mould is obtained, f) filling the casting mould, preferably by pouring, with a casting material (GM) and cooling the casting material (GM), such that the dental restoration (D) is obtained, and optionally the further steps of g) working the dental restoration (D), and h) veneering the dental restoration (D). A novel embedding compound (EM) is also described that has no expansion or at least only a slight expansion on setting.

Inventors:
DIERKES STEPHAN (DE)
SEIFERT SEVERIN (DE)
STRIETZEL ROLAND (DE)
Application Number:
PCT/EP2011/073997
Publication Date:
November 15, 2012
Filing Date:
December 23, 2011
Export Citation:
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Assignee:
HERBST BREMER GOLDSCHLAEGEREI (DE)
DIERKES STEPHAN (DE)
SEIFERT SEVERIN (DE)
STRIETZEL ROLAND (DE)
International Classes:
C04B28/06; A61C5/77; A61C13/00; A61C13/08; A61C13/20
Domestic Patent References:
WO2008066891A22008-06-05
Foreign References:
EP1661529A22006-05-31
Attorney, Agent or Firm:
EISENFÜHR SPEISER & PARTNER (Munich, DE)
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