Have dentin adhesives become too hydrophilic?

Franklin Chi Meng Tay, David Henry Pashley

Research output: Contribution to journalReview article

313 Citations (Scopus)

Abstract

This review discusses current trends in the development of dentin adhesives and the possibility that some classes of currently available adhesives are too hydrophilic. Manufacturers have reformulated dentin adhesives to make them more compatible for bonding to intrinsically moist, acid-etched dentin by adding 2-hydroxyethyl methacrylate and other hydrophilic resin monomers. These 3-step adhesives work well but are more time consuming to use and more sensitive to technique than the newer, simplified adhesives. When primers are mixed with adhesives in 2-step single-bottle adhesives and self-etching primers, the adhesives are more permeable to water and hence absorb more water over time than previous generations of adhesives. The most recent single-step self-etching adhesives are even more hydrophilic and hence more permeable to water derived from the underlying bonded dentin. This permeability can lead to a wide variety of seemingly unrelated problems, including incompatibility of chemically or dual-cured composites with simplified adhesives and expedited degradation of resin-dentin bonds.

Original languageEnglish (US)
Pages (from-to)726-731
Number of pages6
JournalJournal (Canadian Dental Association)
Volume69
Issue number11
StatePublished - Jan 1 2003

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Dentin
Adhesives
Water
Permeability
Acids

ASJC Scopus subject areas

  • Dentistry(all)

Cite this

Have dentin adhesives become too hydrophilic? / Tay, Franklin Chi Meng; Pashley, David Henry.

In: Journal (Canadian Dental Association), Vol. 69, No. 11, 01.01.2003, p. 726-731.

Research output: Contribution to journalReview article

Tay, Franklin Chi Meng ; Pashley, David Henry. / Have dentin adhesives become too hydrophilic?. In: Journal (Canadian Dental Association). 2003 ; Vol. 69, No. 11. pp. 726-731.
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