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Title: Comparative study on adhesive performance of functional monomers
Authors: Yoshida, Y ×
Nagakane, K
Fukuda, R
Nakayama, Y
Okazaki, M
Shintani, H
Inoue, S
Tagawa, Y
Suzuki, K
De Munck, Jan
Van Meerbeek, Bart #
Issue Date: Jun-2004
Series Title: Journal of Dental Research vol:83 issue:6 pages:454-8
Abstract: Mild self-etch adhesives demineralize dentin only partially, leaving hydroxyapatite around collagen within a submicron hybrid layer. We hypothesized that this residual hydroxyapatite may serve as a receptor for chemical interaction with the functional monomer and, subsequently, contribute to adhesive performance in addition to micro-mechanical hybridization. We therefore chemically characterized the adhesive interaction of 3 functional monomers with synthetic hydroxyapatite, using x-ray photoelectron spectroscopy and atomic absorption spectrophotometry. We further characterized their interaction with dentin ultra-morphologically, using transmission electron microscopy. The monomer 10-methacryloxydecyl dihydrogen phosphate (10-MDP) readily adhered to hydroxyapatite. This bond appeared very stable, as confirmed by the low dissolution rate of its calcium salt in water. The bonding potential of 4-methacryloxyethyl trimellitic acid (4-MET) was substantially lower. The monomer 2-methacryloxyethyl phenyl hydrogen phosphate (phenyl-P) and its bond to hydroxyapatite did not appear to be hydrolytically stable. Besides self-etching dentin, specific functional monomers have additional chemical bonding efficacy that is expected to contribute to their adhesive potential to tooth tissue.
URI: 
ISSN: 0022-0345
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Clinical Residents Dentistry
Biomaterials - BIOMAT
× corresponding author
# (joint) last author

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