The effect of repeated casting on the biocompatibility of a dental gold alloy
2009
Stamenkovic, D., University of Belgrade, Belgrade (Serbia). Faculty of Stomatology | Cairovic, A., University of Belgrade, Belgrade (Serbia). Faculty of Stomatology | Colic, M., Military Medical Academy, Belgrade (Serbia). Institute for Medical Research | Rudolf, R., Faculty of Mechanical Engineering, Maribor (Slovenia). Department for Technology of Materials | Radovic, K., University of Belgrade, Belgrade (Serbia). Faculty of Stomatology | Djordjevic, I., University of Belgrade, Belgrade (Serbia). Faculty of Stomatology
The objective of this work was to test the effect of repeated casting of a noble Au dental alloy on the cytotoxicity in vitro, primary cutaneous irritation and sensibilization on rabbits and guinea pigs, respectively depending on the number of meltings and castings. In addition, these biocompatibility parameters were compared with the changes in elemental composition and microstructure of the alloy in the sample surface (ISO 1993-10, 1995). In conclusion, the results show that recasting changes the microstructure of Au dental alloys and decreases their biocompatibility, suggesting that such a procedure should be avoided in dental practices.
اظهر المزيد [+] اقل [-]الكلمات المفتاحية الخاصة بالمكنز الزراعي (أجروفوك)
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