Izvorni znanstveni članak
[New cobalt-based alloys and their use in combined fixed and remorable partial prostheses]
E. Lenz
; Polikl/inika za protetsku stomatologiju Odio stomatologije na Medicinskoj akademiji, Erfurt
Sažetak
The new cobalt-based alloys are characterized by high resistance to
corrosion, fine granulation, and good molding and mechanical features. As a surface oxidation layer is formed during the treatment at high temperature, they appear to be the materiail of choice for individual manufacture of the over-cast attachment elements. It has been experimentally demonstrated that welding by melting can be avoided if the crown-attachment element is burnt at temperature of
950°C for more than 15 minutes and then cast into moulds heated to maximal temeprature of 750°C. The technology of casting-over provides the highest precision and resistance to wearing of the attachment elements made of cobalt-based alloys.
Ključne riječi
cobalt-based alloys; attachment; partial dentures
Hrčak ID:
106803
URI
Datum izdavanja:
15.12.1986.
Posjeta: 1.188 *