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The images taken by scanning electron microscope.
(A) Vita In-Ceram YZ without autoclave aging, original magnification × 30.0 k (B) Vita In-Ceram YZ with autoclave aging at 150℃ for 10 hours, original magnification × 30.0 k (C) Vita In-Ceram YZ with autoclave aging at 225℃ for 10 hours, original magnification × 30.0 k
