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Critical Reviews™ in Biomedical Engineering

Publicou 6 edições por ano

ISSN Imprimir: 0278-940X

ISSN On-line: 1943-619X

SJR: 0.262 SNIP: 0.372 CiteScore™:: 2.2 H-Index: 56

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Metal-Oxide Nanoparticles for the Reinforcement of Dental Restorative Resins

Volume 28, Edição 3&4, 2000, pp. 439-443
DOI: 10.1615/CritRevBiomedEng.v28.i34.150
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RESUMO

Metal oxide nanoparticles were synthesized from tantalum ethoxide and zirconium isopropoxide and subsequently surface grafted with vinyl silane and silyl methacrylate coupling agents. The nanoparticles were then dispersed into a commercial dental resin, and the composite was photocured into rigid three-point bend and fracture toughness specimens. The optically transparent/ translucent cured composites demonstrated strength, toughness, and elastic modulus inferior to the unfilled material. Therefore, modifications in surface functionalization are being made to improve coupling and reduce interparticle associations.

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