Method for the production of a dental moulded part

Details Method for the production of a dental moulded part Method for the production of a dental moulded part

A - Human Necessities

61

C

A61C 13/00 (2006.01) A61K 6/04 (2006.01)

Patent

CA 2519538

The invention relates to a method for the production of a dental moulded part wherein a mould (10) is formed with a cavity (11), the shape of which substantially corresponding to the shape of a model (2) of the moulded part and wherein a cast part (20) is formed by filling the cavity (11) of the mould with a hardenable material and is hardened. The model (2) is provided with an offset (2a, 2b, 2c) which is taken into account when the mould (2) is formed. Once that cast part (20) has hardened, it is abrasively machined in order to form the dental moulded part.

L'invention concerne un procédé de fabrication d'une pièce façonnée dentaire, procédé selon lequel une coquille (10) est formée de manière à présenter un espace creux (11) dont la forme correspond sensiblement à la forme d'un modèle (2) de la pièce façonnée et, par remplissage de l'espace creux (11) de la coquille par un matériau durcissable, une pièce moulée (20) est produite et durcie, caractérisé en ce que le modèle (2) présente une zone excentrée (2a, 2b, 2c) dont il est tenu compte lors de l'élaboration de la coquille (2), et en ce qu'après durcissement de la pièce moulée (20), celle-ci est érodée de manière à obtenir la pièce façonnée dentaire.

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