Reinforcing effects of different fibers on denture base resin based on the fiber type, concentration, and combination

Sang Hui Yu, Yoon Lee, Seunghan Oh, Hye Won Cho, Yutaka Oda, Ji Myung Bae

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

The aim of this study was to evaluate the reinforcing effects of three types of fibers at various concentrations and in different combinations on flexural properties of denture base resin. Glass (GL), polyaromatic polyamide (PA) and ultra-high molecular weight polyethylene (PE) fibers were added to heat-polymerized denture base resin with volume concentrations of 2.6%, 5.3%, and 7.9%, respectively. In addition, hybrid fiber-reinforced composite (FRC) combined with either two or three types of fibers were fabricated. The flexural strength, modulus and toughness of each group were measured with a universal testing machine at a crosshead speed of 5 mm/min. In the single fiber-reinforced composite groups, the 5.3% GL and 7.9% GL had the highest flexural strength and modulus; 5.3% PE was had the highest toughness. Hybrid FRC such as GL/PE, which showed the highest toughness and the flexural strength, was considered to be useful in preventing denture fractures clinically.

Original languageEnglish
Pages (from-to)1039-1046
Number of pages8
JournalDental Materials Journal
Volume31
Issue number6
DOIs
Publication statusPublished - 2012

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Dentistry(all)

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