Self-etch and etch-and-rinse adhesive systems in clinical dentistry.

Fusun Ozer, Markus B. Blatz

Research output: Contribution to journalReview article

40 Citations (Scopus)

Abstract

Current adhesive systems follow either an "etch-and-rinse" or "self-etch" approach, which differ in how they interact with natural tooth structures. Etch-and-rinse systems comprise phosphoric acid to pretreat the dental hard tissues before rinsing and subsequent application of an adhesive. Self-etch adhesives contain acidic monomers, which etch and prime the tooth simultaneously. Etch-and-rinse adhesives are offered as two- or three-step systems, depending on whether primer and bonding are separate or combined in a single bottle. Similarly, self-etch adhesives are available as one- or two-step systems. Both etch-and-rinse and self-etch systems form a hybrid layer as a result of resins impregnating the porous enamel or dentin. Despite current trends toward fewer and simpler clinical application steps, one-step dentin bonding systems exhibit bonding agent lower bond strengths and seem less predictable than multi-step etch-and-rinse and self-etch systems. The varying evidence available today suggests that the choice between etch-and-rinse and self-etch systems is often a matter of personal preference. In general, however, phosphoric acid creates a more pronounced and retentive etching pattern in enamel. Therefore, etch-and-rinse bonding systems are often preferred for indirect restorations and when large areas of enamel are still present. Conversely, self-etch adhesives provide superior and more predictable bond strength to dentin and are, consequently, recommended for direct composite resin restorations, especially when predominantly supported by dentin.

Original languageEnglish (US)
JournalUnknown Journal
Volume34
Issue number1
StatePublished - Jan 1 2013

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Dentistry
Adhesives
Dentin
Dental Enamel
Tooth
Composite Resins

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Self-etch and etch-and-rinse adhesive systems in clinical dentistry. / Ozer, Fusun; Blatz, Markus B.

In: Unknown Journal, Vol. 34, No. 1, 01.01.2013.

Research output: Contribution to journalReview article

Ozer, Fusun ; Blatz, Markus B. / Self-etch and etch-and-rinse adhesive systems in clinical dentistry. In: Unknown Journal. 2013 ; Vol. 34, No. 1.
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