Bond strengths and SEM evaluation of Clearfil Liner Bond 2.

W. W. Barkmeier, S. A. Los, P. T. Triolo

Research output: Contribution to journalArticle

97 Scopus citations

Abstract

PURPOSE: To evaluate a dental adhesive system that uses a single conditioning/primer agent. MATERIALS AND METHODS: Twenty-five flat enamel and dentin bonding sites were prepared to 600 grit on human molar teeth. The Clearfil Liner Bond 2 adhesive system was used to bond Clearfil AP-X composite to both enamel and dentin. After 24 hours of water storage, shear bond strengths were determined using an Instron testing machine. Fifty V-shaped cavity preparations were prepared in human molar teeth with an enamel and cementum margin. Composite restorations were placed using the new adhesive system. The teeth were stored for 24 hours, thermocycled, stained with AgNO3 , sectioned and examined for microleakage. SEM examinations were also completed to evaluate the effects of the treatment steps on enamel and dentin surfaces. RESULTS: Mean shear bond strengths for the experimental adhesive to enamel and dentin were 28.2 +/- 4.9 and 19.4 +/- 3.1 MPa. A t-test revealed that the enamel bond strength was significantly greater (P

Original languageEnglish (US)
Pages (from-to)289-293
Number of pages5
JournalAmerican journal of dentistry
Volume8
Issue number6
StatePublished - Dec 1995

All Science Journal Classification (ASJC) codes

  • Dentistry(all)

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