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PurposeThe purpose of this study was to compare the mechanical properties of beryllium‐free nickel‐chromium (Ni‐Cr) dental casting alloy before and after each porcelain firing cycle (once fired, twice fired, and thrice fired) and to relate these properties to the microstructural changes and changes in X‐ray diffraction patterns of Ni‐Cr alloy that occur after each porcelain firing cycle.
Material...
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