engleski

Ion release from three different dental alloy under in vitro conditions of imitating oral saliva as the nutritional source of trace elements ( TE)

Ion release was studied in vitro from 3 principal dental alloys: Au-Pt alloy, Co-Cr-Mo alloy and Ni- Cr alloy. Alloys were immersed in solution imitating saliva (phosphate puffer pH 6) for 1, 2, 3, 4, 5, 6, 7, 14, 21, and 30 days. Results were analysed by ICP-AES (Jobin Yvon, France). Results revealed ion released from the alloys, which were in limits of dietary needs for oligoelements, except for NiCr dental alloy, where the release of Ni ions was even higher than daily allowed intake. It was concluded that care must be taken when using this alloy to be sure to be covered fully with porcelain and not exposed to oral fluids.

ion release ; 3 dental alloys ; saliva ; in vitro

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