Influence of SiO₂ content of polyetheretherketone (PEEK) on flexural properties and tensile bond strength to resin cement

• RIKITOKU Shiro

  Department of Fixed Prosthodontics, Division of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU)

• OTAKE Shiho

  Department of Fixed Prosthodontics, Division of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU)

• NOZAKI Kosuke

  Department of Material Biofunctions, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU)

• YOSHIDA Keiichi

  Department of Fixed Prosthodontics, Division of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU)

• MIURA Hiroyuki

  Department of Fixed Prosthodontics, Division of Oral Health Sciences, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University (TMDU)

Abstract

In the present study, the influence of the SiO₂ content of polyetheretherketone (PEEK) on the bonding between PEEK and resin cement, and the corresponding mechanical properties, were evaluated. Three experimental PEEK samples with varying amounts of SiO₂, and PEEK containing 20 wt% of TiO₂ (DK), were investigated. The tensile bond strength (TBS) was evaluated before and after 10,000 thermal cycles, upon polishing, sandblasting, and conditioning of the specimens with BONDMER lightless containing a silane coupling agent, and bonded with ESTECEM II. The crystallinity, flexural modulus, and flexural strength were determined after 10,000 thermal cycles. TBS values were analyzed by two-way ANOVA and a t-test with Bonferroni correction (α<0.05), while the crystallinity, flexural modulus, and flexural strength were analyzed with one-way ANOVA followed by a t-test with Bonferroni correction (α<0.05). The TBS improved with increasing SiO₂ content in PEEK; moreover, DK and the sample with 40 wt% SiO₂ exhibited the highest flexural strength.

Journal

• Dental Materials Journal

  Dental Materials Journal 38 (3), 464-470, 2019-05-29

  The Japanese Society for Dental Materials and Devices

Keywords

• PEEK
• Polyetheretherketone
• SiO₂
• Tensile bond strength
• Mechanical properties

Details

• CRID: 1390845713072418176
• NII Article ID: 130007657715
• DOI: 10.4012/dmj.2018-234
• ISSN: 18811361
• ISSN: 02874547
• PubMed: 30971651
• Web Site: https://www.jstage.jst.go.jp/article/dmj/38/3/38_2018-234/_pdf
• Web Site: https://search.jamas.or.jp/link/ui/2020204246
• Text Lang: en
• Data Source:
  • JaLC
  • Crossref
  • PubMed
  • CiNii Articles
  • KAKEN
• Abstract License Flag: Disallowed