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Title:Characterisation of a new dental alloy with high Au content
Authors:ID Rudolf, Rebeka (Author)
ID Zupančič Hartner, Tjaša (Author)
ID Anžel, Ivan (Author)
ID Mrvar, Primož (Author)
ID Medved, Jože (Author)
ID Stamenković, Dragoslav (Author)
Files:URL http://www.rmz-mg.com/letniki/rmz54/RMZ54_0303-0318.pdf
 
Language:English
Work type:Unknown
Typology:1.01 - Original Scientific Article
Organization:FS - Faculty of Mechanical Engineering
Abstract:The basis for developing a new dental alloy with high Au content is appropriate chemical composition and manufacturing technology. This new Au dental alloy is based on the ternary system of Au-Pt-Zn with a nominal composition of 88.5Au-8.7Pt-1.5Zn-0.5In-0.4Ir-0.3Rh. The alloy was melted and cast in a vacuum-induction melting furnace in Zlatarna Celje. Casting was followed with subsequent thermo-mechanical treatment (procedures of profile and polish milling, thermal treatment) and cutting-off strips to form a regular shape. The heat treatments of Au alloy samples were carried out in a tube furnace under different temperatures, and over different times. Testing of the new Au dental alloy included examining the initial cast, and the different heat treated conditions of the Au alloy. The optical properties of Au-dental alloy were investigated by means of spectrophotometric colourimetry. Finally the test of cytotoxicity of new Au based dental alloys using standard in vitro assays for testing the biocompatibility with establishing new, more sensitive, in vitro tests on cell lines was done.Osnovo razvoja nove dentalne zlitine z visoko vsebnostjo Au predstavljata pravilna določitev kemijske sestave in tehnologije izdelave. Nova dentalna zlitina temelji na ternarnem sistemu of Au-Pt-Zn z nominalno kemijsko sestavo 88,5Au-8,7Pt-1,5Zn-0,5In-0,4Ir-0,3Rh. Izdelava dentalne zlitine je potekala s pretaljevanjem zelo čistih komponent v vakuumski indukcijski peči v Zlatarni Celje. Temu je sledilo odlivanje taline v ustrezno formo, postopek termo-mehanske obdelave odlitka in razrez zlitine v ustrezno obliko. Toplotna obdelava je bila izvedena pri različnih temperaturah in za različne čase. Testiranje dentalne zlitine je vključevalo določitev lastnosti začetnega stanja in stanja po različnih toplotnih obdelavah. Optične lastnosti dentalne zlitine so bile raziskane s spektro-fotometrično kolorimetrijo. Na novi Au dentalni zlitini so bili narejeni še testi citotoksičnosti z uporabo standardain vitro analize za testiranje biokompatibilnosti z uvajanjem novih, bolj občutljivih in vitro testov na celični liniji.
Keywords:dental alloy, characterisation, microstructure, properties
Year of publishing:2007
PID:20.500.12556/DKUM-26042 New window
UDC:669.014
ISSN on article:1408-7073
COBISS.SI-ID:12059926 New window
NUK URN:URN:SI:UM:DK:7UJWCPDP
Publication date in DKUM:31.05.2012
Views:2174
Downloads:60
Metadata:XML DC-XML DC-RDF
Categories:Misc.
:
RUDOLF, Rebeka, ZUPANČIČ HARTNER, Tjaša, ANŽEL, Ivan, MRVAR, Primož, MEDVED, Jože and STAMENKOVIĆ, Dragoslav, 2007, Characterisation of a new dental alloy with high Au content. RMZ - Materials and geoenvironment [online]. 2007. [Accessed 21 March 2025]. Retrieved from: http://www.rmz-mg.com/letniki/rmz54/RMZ54_0303-0318.pdf
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Record is a part of a journal

Title:RMZ - Materials and geoenvironment
Shortened title:RMZ-mater. geoenviron.
Publisher:Naravoslovnotehniška fakulteta
ISSN:1408-7073
COBISS.SI-ID:77096192 New window

Secondary language

Language:Slovenian
Title:Karakterizacija nove dentalne zlitine z visoko vsebnostjo Au
Keywords:dentalne zlitine, karakterizacija, mikrostruktura, lastnosti


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