The effect of ceramic surface treatments on the shear bond strength of dental composite resin to all-ceramic coping materials

W. H. Kim, H. J. Lee, K. W. Lee, K. M. Kim, K. N. Kim, J. S. Shim

Research output: Contribution to journalArticle

Abstract

The purpose of this study was to evaluate the shear bond strength of composite resin to 4 different all-ceramic coping materials with 3 different surface treatments after thermocycling and without thermocycling. Three different surface treatments - sandblasting with 50 μm alumina particles (AB); sandblasting with 50 μm alumina particles and acid etching with 4% hydrofluoric acid (AE); sandblasting with 50 μm alumina particles and 30 μm alumina particles with tribochemical silica coating (SI) and silane application - were used on four different all-ceramic; Feldspatic ceramic (Duceram Plus); Lithium disilicate ceramic (IPS Empress2); Alumica ceramic (In-Ceram Alumina); Zirconia ceramic (Zi-Ceram) - substrates. Shear bond strength of restorative composite resin to substrate was tested after thermocycling and without thermocycling (n=10). Each specimen was subjected to a shear load at a crosshead speed of 2 mm/min until fracture. Two-way analysis of variance and Duncan multiple comparison test (a =0.05) were used to analyze the bond strength values. There were significant differences in the bond strengths for ceramic types (P<.001), surface treatments (P<.001), and thermocycling (P<.001). The Duncan analysis showed that the Si specimens had significantly higher bonding strengths than other specimens. The bond strength of composite resin decreased after thermocycling.

Original languageEnglish
Pages (from-to)1365-1368
Number of pages4
JournalKey Engineering Materials
Volume330-332 II
DOIs
Publication statusPublished - 2007 Jan 1

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

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