Journal
PROCEEDINGS OF THE INSTITUTION OF MECHANICAL ENGINEERS PART J-JOURNAL OF ENGINEERING TRIBOLOGY
Volume 231, Issue 1, Pages 23-40Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1177/1350650116641329
Keywords
wear; dental composite; scanning electron microscopy; nanozirconia
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Funding
- CDOS, Jaipur [0290032/2013]
- Advanced Research centre for Tribology
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The purpose of this investigation was to analyze the effect of adding different weight fraction of nanozirconia on wear characteristics of resin-based dental composite. The dental composites were fabricated by adding (0-3wt.%) of silane-modified nanozirconia particles into a monomer system (50wt.% bisphenol-A glycidyl methacrylate, 49wt.% tri-ethylene glycol dimethacrylate, 0.2wt.% Camphorquinone, and 0.8wt.% ethyl 4 dimethyl amino benzoate). The experiments were conducted based on steady state condition and Taguchi's orthogonal design in a dental wear simulator. A theoretical model was proposed for wear assessment and validated with the experimental results. The findings of the experiments indicated that the composite with 3wt.% nanozirconia demonstrated lowest volumetric wear rate.
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