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  • Title: [Factors influencing the corrosion of amalgams].
    Author: Meyer G, Tewes M, Wiesner A, Nägerl H.
    Journal: Dtsch Zahnarztl Z; 1989 Jul; 44(7):544-7. PubMed ID: 2630286.
    Abstract:
    In a comparative corrosion test specimen were produced from eleven different amalgams using two different plugging pressures and were exposed to two different corrosive solutions. As was to be expected containing amalgams corroded the most. A more accurate differentiation between the individual non gamma 2 amalgams and the two different plugging pressures was only possible with the stronger corrosive solution. Therefore this solution seemed to be better suited for a standardized corrosion test according to DIN 13904, part 2. The greater plugging pressure inhibits corrosion especially in badly corroding amalgams. This seems to be due to the limited diffusion which is the result of a smaller pore size.
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