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Which consequence results from differential thermal expansion influencing the longevity of Pietra Dura?

A)Delamination along matrix-inlay interfaces
B)Increased gloss due to surface polishing
C)Enhanced chromatic brilliance of stones
D)Diminished structural integrity of substrate

💡 Explanation

Delamination occurs at interfaces because differential thermal expansion causes unequal stresses, promoting crack formation via interfacial decohesion, therefore the matrix and inlay separate rather than remaining cohesively bonded under changing physical conditions.

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