Dentin treatment with an oxalate solution and glass ionomer bond strength.

C. W. Haveman, D. G. Charlton

Research output: Contribution to journalArticle

5 Scopus citations

Abstract

PURPOSE: To evaluate the effect of dentin surface treatment on shear bond strengths of two visible light-cured glass ionomer restorative materials to dentin. MATERIALS AND METHODS: Cylinders of Fuji II LC and VariGlass VLC were bonded to dentin surfaces that were (1) treated as directed by the manufacturer, (2) treated with a monohydrogen-monopotassium oxalate solution (Protect Dentin Desensitizer), or (3) treated with the monohydrogen-monopotassium oxalate solution followed by treatment per the manufacturer. Specimens were thermocycled and tested in shear at 7 days. Data for each restorative material were subjected to a one-way ANOVA and the Scheffé F-test (P < 0.05). After shear bond testing the specimens were examined using a stereomicroscope at x8 to determine the mode of failure (adhesive, cohesive or mixed). Dentin specimens were also surface treated as described above, sputter-coated, and examined using a scanning electron microscope. RESULTS: In every instance, the oxalate solution significantly reduced the shear bond strength of both materials.

Original languageEnglish (US)
Pages (from-to)247-251
Number of pages5
JournalAmerican journal of dentistry
Volume7
Issue number5
StatePublished - Oct 1 1994

ASJC Scopus subject areas

  • Dentistry(all)

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