Publication date: Available online 11 December 2013 Source:Journal of Dentistry Author(s): Sanjay B. Thorat , Alberto Diaspro , Marco Salerno Objectives The study aims at demonstrating the feasibility of a novel type of coupling-agent-free resin composite based on nano-porous fillers. Methods The fillers were obtained by ball-milling anodic alumina membranes. Composites were prepared with standard resin at maximum loading of 50% by weight. The resin matrix penetration into the pores was verified visually by scanning electron microscopy and mechanically by atomic force microscopy in force modulation mode. The dynamic flexural modulus at 1Hz was measured by dynamic mechanical analysis. Silver nanoparticles were also synthesized in the pores and their release was investigated with inductiv…
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