A - Human Necessities – 61 – C
Patent
A - Human Necessities
61
C
A61C 13/20 (2006.01) A61C 5/10 (2006.01) A61C 13/34 (2006.01) A61C 13/08 (2006.01)
Patent
CA 2429491
The present invention relates to a method for the fabrication of a dental cast part having the following steps: a.) Forming and hardening a first working model of a dentition, in such a way that the material used for fabrication of the working model expands during harden- ing, b.) Modelling a restoration from a modelling material on the first working model or a second working model that is essentially identical to the first working model in respect of its dimensions, c.) Embedding the restoration model in a settable dental investment that is at least essentially quartz-free, d.) Hardening the dental investment e.) Removing the restoration model from the dental investment so that a casting form is created, f.) Introducing liquid metal into the casting form and allowing the metal to solidify in the casting form. g.) Removal of the metal that has solidified to form a dental cast part.
Bego Bremer Goldschlagerei Wilh. Herbst Gmbh & Co.
Bego Bremer Goldschlagerei Wilh. Herbst Gmbh & Co.kg
Oyen Wiggs Green & Mutala Llp
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