How does the FIB/SIM technique contribute to the understanding of the resin-dentin interface in dental adhesives?

Label:chem

Topic
Focused Ion Beam/Scanning Ion Microscopy (FIB/SIM) is a novel technique that allows for detailed imaging and analysis of material interfaces at the nanoscale.
Answer
The FIB/SIM technique revealed different interfacial characteristics between the light-cured and chemical-cured adhesives. It showed that the milling depth and surface morphology of the adhesive-dentin interface varied between the two adhesives, with the chemical-cured adhesive displaying a smoother surface and a ditch-like appearance between the adhesive layer and dentin. This suggests that FIB/SIM can accurately assess the three-dimensional morphological characteristics of the resin-dentin interactions and indirectly reflect the mechanical properties of the adhesive systems.
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