The effect of environmental aging on the fracture toughness of dental composites.

Abstract

The effect of aging four commercially-available dental composites in water or ethanol at 37 degrees C for periods of up to 28 days was assessed by measuring changes in the materials' plane-strain fracture toughness (KIC). The results, obtained by means of a mini Short Rod Fracture Toughness Test specimen design, suggest that while water aging does not… (More)

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