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Which outcome occurs when excessive grinding during pietra dura inlay weakens the tesserae?

A)Adhesive bond strength decreases notably
B)Dimensional stability exhibits an increase
C)Refractive index rises unexpectedly high
D)Thermal conductivity improves substantially

💡 Explanation

Reduced tesserae thickness causes decreased surface area for adhesive bonding because careful fitting, rather than maximizing volume matters; therefore, the adhesive bond weakens rather than strengthen, because the attachment relies on sufficient tesserae adherence.

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