Effect of a silica-containing etchant on shear bond strength to dentin.

Michael L Myers, G. L. Dickinson, S. L. Hoyle

Research output: Contribution to journalArticlepeer-review


The viscosity of phosphoric acid etchants for enamel and dentin may be increased by the addition of silica. This in vitro study investigated the effect of a silica-containing 10% phosphoric acid gel on the bond strength of composite resin to dentin as compared to a 10% phosphoric acid gel without silica, using 20 extracted human molars. The results indicated that the etchant containing submicron silica provided higher bond strengths than the etchant without a silica constituent. The learning objective of this article is to provide the findings of the study for the clinicians.

Original languageEnglish (US)
JournalPractical periodontics and aesthetic dentistry : PPAD
Issue number6
StatePublished - Jan 1 1994

ASJC Scopus subject areas

  • General Medicine


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