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Average daily release of BPA in methanol (μg/g). The values are plotted against the square root of time, assuming that the release of BPA follows Fick’s law of diffusion. Abbreviations: PC—polycarbonate, ZPF—Zirkonzahn Temp Premium Flexible, TBP—Tizian Blank Polycarbonate, PMMA—poly(methyl methacrylate) (Zirkonzahn Temp Basic).
