Effect of adding ethylene glycol dimethacrylate to resin cements: durability against thermal stress of adhesion to titanium

Dental Materials Journal
Yohji Imai, Y Ikeda

Abstract

The present study was conducted to examine the effect of the addition of a dimethacrylate to resin cements on bond strength between titanium and resin after thermocycling. Titanium disks, polished and treated with a phosphate monomer, were bonded to acrylic rods using two types of experimental resin cements. The cements were composed of methyl methacrylate (MMA) containing a tributylborane initiator and 0-10 wt% of ethylene glycol dimethacrylate (EGDMA) and two types of polymer component of hard poly (MMA) or soft fluoropolymer (2-6F). The bonded specimens were subjected to a thermocycling test in water and then to tensile strength testing. The addition of 5% or more dimethacrylate monomer to the two MMA-based resin cements caused a drastic decrease in bond strength to the metal after the thermocycling test. The resin prepared with soft 2-6F as a polymer component was significantly more durable than the rigid type resin based on PMMA. However, even a 1% addition of ECDMA to the 2-6F resin resulted in a significant decrease in durability.

Citations

Aug 19, 2006·Dental Materials Journal·Yohsuke TairaMitsuru Atsuta
Dec 22, 2009·Journal of Biomedical Materials Research. Part B, Applied Biomaterials·Tae-Yub KwonKyo-Han Kim
Dec 31, 2014·European Journal of Orthodontics·Young Kyung KimTae-Yub Kwon
Dec 7, 2014·Dental Materials : Official Publication of the Academy of Dental Materials·Omar AlageelFaleh Tamimi

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