engleski

Mesurament of ions release from dental ceramics

Dental ceramics are generally considered to be chemically inert materials. However, characteristics of one dental ceramic are not necessarily present in other dental ceramics. The aim of this study was to test the elution of sodium, potassium, magnesium, silicon and aluminum ions from four dental ceramics after 16 hours of immersion in the acetic acid solution, according to ISO Standard 6872 method. Elution was determined using the atomic absorption spectrophotometer and UV/VIS spectrophotometer. The results showed the highest leaching of the ions from IPS-Classic ceramic specimens, and the lowest from the IPS-Empress 2 ceramic specimens. The release of the ions from the analysed specimens did not correlated to their contents as declared by the manufacturers. It can be concluded that the measured release of ions is not significant and correlates well with the data from the literature linked with glass corrosion, that is, silicate-based dental ceramics.

Ions release; dental ceramic

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