J Korean Acad Conserv Dent.  2010 Mar;35(2):106-115. 10.5395/JKACD.2010.35.2.106.

Microtensile bond strength of self-etching and self-adhesive resin cements to dentin and indirect composite resin

• Park JG
• Cho YG
• Kim IS

• KMID: 2176298
• DOI: http://doi.org/10.5395/JKACD.2010.35.2.106

Abstract

The purpose of this study was to evaluate the microtensile bond strength (microTBS), failure modes and bonding interfaces of self-etching and three self-adhesive resin cements to dentin and indirect composite resin. Cylindrical composite blocks (Tescera, Bisco Inc.) were luted with resin cements (PA: Panavia F 2.0, Kuraray Medical Inc., RE: RelyX Unicem Clicker, 3M ESPE., MA: Maxem, Kerr Co., BI: BisCem, Bisco Inc.) on the prepared occlusal dentin surfaces of 20 extracted molars. After storage in distilled water for 24 h, 1.0 mm x 1.0 mm composite-dentin beams were prepared. microTBS was tested at a cross-head speed of 0.5 mm/min. Data were analyzed with one-way ANOVA and Tukey's HSD test. Dentin sides of all fractured specimens and interfaces of resin cements-dentin or resin cements-composite were examined at FE-SEM (Field Emission-Scanning Electron Microscope). In conclusion, PA and RE showed higher bond strength and closer adaptation than MA and BI when indirect composite blocks were luted to dentin using a self-etching and three self-adhesive resin cements.

Keyword

Microtensile bond strength; Self-etching resin cement; Self-adhesive resin cement; Dentin; Indirect composite resin

MeSH Terms

Dentin
Dentin-Bonding Agents
Electrons
Molar
Resin Cements
Water
Dentin-Bonding Agents
Resin Cements
Water