Title: Technique-sensitivity of contemporary adhesives
Authors: Van Meerbeek, Bart ×
Van Landuyt, Kirsten
De Munck, Jan
Hashimoto, Masanori
Peumans, Marleen
Lambrechts, Paul
Yoshida, Yasuhiro
Inoue, Satoshi
Suzuki, Kazuomi #
Issue Date: Mar-2005
Series Title: Dental materials journal vol:24 issue:1 pages:1-13
Abstract: Besides micro-mechanical interlocking through hybrid-layer formation, self-etch adhesives may benefit from additional chemical interaction between the functional monomer and residual hydroxyapatite. One-step adhesives are commonly associated with lower bonding effectiveness, which must be attributed in part to the dissolution of hydrophilic and hydrophobic monomers in a relatively highly concentrated solvent. In this 'difficult' mixture, also water is essential as ionization medium to enable self-etching activity. Due to the high hydrophilicity, one-step self-etch adhesives have been reported to behave as semi-permeable membranes, allowing fluids to pass through and seriously jeopardizing bond durability. Recent research has also revealed that HEMA-free one-step adhesives are prone to phase-separation, which may also account for their lower bonding effectiveness. Employing an appropriate air-drying technique may, however, improve the bonding effectiveness of such phase-separating adhesives by getting rid of substantially more interfacial water than HEMA-containing adhesives, of which water might be more difficult to remove from.
ISSN: 0287-4547
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Biomaterials - BIOMAT
Clinical Residents Dentistry
× corresponding author
# (joint) last author

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