Title: Chemical characterization of the resin-dentin interface by micro-Raman spectroscopy
Authors: Van Meerbeek, Bart ×
Mohrbacher, Hardy
Celis, Jean-Pierre
Roos, Jozef
Braem, M.
Lambrechts, Paul
Vanherle, Guido #
Issue Date: Oct-1993
Series Title: Journal of Dental Research vol:72 issue:10 pages:1423-1428
Abstract: The chemical nature of the interface between dentin and adhesive resin materials was characterized by micro-Raman spectroscopy. The resulting chemical profiles were correlated with photomicrographs obtained by SEM after an argon-ion-beam etching treatment of the sample surface. Two commercially available dentin adhesive systems, of which one was also applied with a different conditioning agent, were investigated. Raman spectra, which were recorded along line scans across the interface with a step increment of 1 micron, revealed that resin effectively penetrated 4 to 6 microns deep into the superficially decalcified dentin zone. Across the interface, a gradual transition from resin to dentin over the interdiffusion zone with a mixed contribution of both substances was noticed. Finally, resin appeared to penetrate to the entire decalcification depth of dentin regardless of the aggressiveness of the conditioning procedure.
ISSN: 0022-0345
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Biomaterials - BIOMAT
Chemical and Extractive Metallurgy Section (-)
Department of Materials Engineering - miscellaneous
× corresponding author
# (joint) last author

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