The fracture toughness of denture base material reinforced with different concentrations of POSS

Tamer Hamza, Alvin G. Wee, Satish Alapati, Scott R. Schricker

Research output: Contribution to journalArticle

11 Scopus citations

Abstract

The purpose of this paper is to study the effect of methacrylated polyhedralsilsesquioxanes (POSS) on the fracture toughness of poly(methyl methacrylate) (PMMA) based denture-based resins. POSS is a nanostructured material, that is, known to reinforce polymeric systems. Previous work has shown that POSS can improve the mechanical properties of dimethacrylate dental resin systems. Our work shows that there is no significant improvement and a significant drop in mechanical properties is accompanied by evidence of crystallization in the PMMA.

Original languageEnglish (US)
Pages (from-to)897-906
Number of pages10
JournalJournal of Macromolecular Science - Pure and Applied Chemistry
Volume41 A
Issue number8
DOIs
StatePublished - Jul 2004
Externally publishedYes

Keywords

  • Denture resins
  • Fracture toughness
  • Poly(methyl methacrylate)
  • Polyhedralsilsesquioxane
  • SEM

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