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← HistoryWhich consequence arises when insufficient binder curing occurs within Mughal Pietra Dura inlay?
A)Increased sensitivity to thermal expansion✓
B)Decreased reflection off crystal faces
C)Elevated risk of structural resonance
D)Reduced optical spectral transmission
💡 Explanation
When the binder does not fully cure, its polymer crosslinking is weak, resulting in a low glass transition temperature. The low Tg increases the mismatch in the Coefficient of Thermal Expansion (CTE) between the stone and the binder; therefore, expansion leads to cracking versus maintaining structural integrity with the inlay.
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