Method for producing prosthetic moulded parts for dental use...

Details Method for producing prosthetic moulded parts for dental use... Method for producing prosthetic moulded parts for dental use...

C - Chemistry, Metallurgy

25

D

C25D 3/48 (2006.01) A61C 13/00 (2006.01) C25D 5/18 (2006.01)

Patent

CA 2345636

The invention relates to a method for producing prosthetic moulded parts for dental use with the aid of galvanic metal deposition, whereby said deposition occurs at least partially by means of a pulse current. Preferably, the deposition process is carried out in less than 5 hours, especially in 1-2 hours. According to said method, a precious metal or a precious metal alloy, especially gold or a gold alloy, is deposited. Aqueous gold sulphite baths are normally used.

L'invention concerne un procédé de production de pièces moulées prothétiques destinées au domaine dentaire à l'aide d'un revêtement métallique appliqué par galvanisation. Le revêtement galvanique s'effectue au moins partiellement par courant pulsé. Le revêtement est achevé, de préférence, en un temps inférieur à 5 heures, notamment compris entre 1 et 2 heures. En l'occurrence, on applique de préférence un métal noble ou un alliage de métal noble, notamment de l'or ou un alliage d'or. On utilise notamment des bains aqueux de sulfite d'or.

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