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Scanning electron photomicrographs of Tetric CAD (left column) and Lava Ultimate (right column) specimens immersed for 15 days in storage solutions at X 5000. A’,B’,C’ photomicrographs of Tetric specimens after immersion for 15 days in distilled water, ethanol, methyl ethyl ketone respectively. D’,E’,F’ photomicrographs of Lava Ultimate specimens after immersion for 15 days in distilled water, ethanol, methyl ethyl ketone respectively.
