PMID: 15348514Sep 7, 2004Paper

Effect of resin application time on bond strength of polymer substrate repaired with particulate filler composite

Journal of Materials Science. Materials in Medicine
T T KallioP K Vallittu

Abstract

Four different polymeric substrates were treated with unfilled intermediate resin (IMR) for various lengths of time (15 s, 3 min, 1 h, 24 h, and 2 weeks) to find out the effect of IMR treating time on shear bond strength between the substrate and a particulate filler composite. The IMR used in the study was a diacrylate monomer resin and the particulate filler composite was added on it. Two of the tested substrates were fiber-reinforced composites (FRCs). Two other substrates were cross-linked bisphenol-A-glycidyl dimethacrylate/triethyleneglycol dimethacrylate (BisGMA/TEGDMA) substrate and linear polymethylmethacrylate substrate. The bond strength of the particulate filler composite to the BisGMA/TEGDMA substrate was significantly higher compared to the other substrates (p<0.001). A correlation between increasing shear bond strength and longer treating time were found with the BisGMA/TEGDMA substrates (r=0.594, p<0.001) whereas no correlation was found with the other substrates. Prolonging of IMR treating time enhanced the BisGMA/TEGDMA substrate bond strength to the particulate filler composite but it had no clear effect on the bond strength of other substrates.

Citations

Jul 29, 2015·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·Yousef A AlJehaniPekka K Vallittu
Apr 20, 2012·Journal of Prosthodontics : Official Journal of the American College of Prosthodontists·Athina AntonopoulouAndreas Hatzikyriakos
Oct 1, 2005·Journal of Biomedical Materials Research. Part B, Applied Biomaterials·Serge BouillaguetIvo Krejci

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