Title: Effect of presilanization filler decontamination on aesthetics and degradation resistance of resin composites
Authors: Yoshida, Yasuhiro ×
Shirai, Kenichi
Shintani, Hideaki
Okazaki, Masayuki
Suzuki, Kazuomi
Van Meerbeek, Bart #
Issue Date: Dec-2002
Series Title: Dental materials journal vol:21 issue:4 pages:383-95
Abstract: Filler-matrix coupling determines, to a large extent, the mechanical strength and clinical longevity of dental composites. The aim of this study was to examine how far a methodology to decontaminate filler prior to silanization may improve aesthetic performance in addition to physico-mechanical properties such as degradation resistance. It was reported that filler particles are surrounded and wrapped by a film that consists of multiple layers of silane molecules. X-ray photoelectron spectroscopy, however, revealed that silanization of filler particles largely depended upon siloxane bridge (Si-O-Si) formation between the silica surface and the silane molecule rather than on intermolecular bonding between adjacent silane molecules. In this study, we showed that filler decontamination resulted in a higher translucency, thereby providing a better aesthetic potential. In addition, experimental composites produced following presilanization decontamination of filler revealed a higher Vickers hardness value and a diametral tensile strength that was resistant to degradation by thermo-cycling.
ISSN: 0287-4547
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Biomaterials - BIOMAT
× corresponding author
# (joint) last author

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