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← HistoryWhich outcome arises from thermal expansion mismatch within mosaic pietra dura inlay?
A)Delamination of the inlay occurs✓
B)Increased compressive stress develops
C)The stone darkens materially slowly
D)Inlay edges exhibit increased brilliance
💡 Explanation
Delamination occurs because differential thermal expansion induces shear stress at the adhesive layer through thermal stress concentration rather than uniform stress. Therefore, the inlay separates because the coefficient of thermal expansion is different, rather than remaining intact.
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