Effects of resin formulation and nanofiller surface treatment on the properties of experimental hybrid resin composite

Lawrence Musanje, Jack Ferracane

Research output: Contribution to journalArticle

65 Citations (Scopus)

Abstract

This study evaluated the effects of nanofiller surface treatment and resin viscosity on the early and long-term properties of experimental hybrid composites. Three resin formulations (low, medium and high viscosity) were prepared by varying the ratio of TEGDMA:UDMA:bis-GMA (47:33:16wt%; 30:33:33wt%; 12:33:51wt%). Composites contained 71.3wt% silanated strontium glass (1-3μm) and 12.6wt% of either silanated or unsilanated silica (OX-50; 0.04μm). Specimens (n=10) for flexural strength, flexural modulus, fracture toughness and Knoop hardness were tested after 24h, 1 and 6 months exposure to water at 37°C. Degree of conversion (DC) was determined 24h after photoinitiation using FTIR. Resin viscosity only had a marginal influence on the mechanical response of composites but it can be adjusted to achieve a balance between DC and mechanical properties. Adding non-bonded nanofiller to hybrid composites had no systematic effect on DC. Non-bonded nanofillers had no significant effect on the long-term properties of hybrid composites.

Original languageEnglish (US)
Pages (from-to)4065-4071
Number of pages7
JournalBiomaterials
Volume25
Issue number18
DOIs
StatePublished - Aug 2004

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Composite Resins
Viscosity
Surface treatment
Resins
Composite materials
Bisphenol A-Glycidyl Methacrylate
Strontium
Hardness
Fourier Transform Infrared Spectroscopy
Silicon Dioxide
Glass
Water
Bending strength
Fracture toughness
Silica
Mechanical properties

Keywords

  • Composite
  • Nanofiller
  • Properties
  • Silane
  • Viscosity

ASJC Scopus subject areas

  • Biotechnology
  • Bioengineering
  • Biomedical Engineering

Cite this

Effects of resin formulation and nanofiller surface treatment on the properties of experimental hybrid resin composite. / Musanje, Lawrence; Ferracane, Jack.

In: Biomaterials, Vol. 25, No. 18, 08.2004, p. 4065-4071.

Research output: Contribution to journalArticle

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