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Higgs WA, Lucksanasombool P, Higgs RJ, et al. Comparison of the material properties of PMMA and glass-ionomer based cements for use in orthopaedic surgery. J Mater Sci Mater Med. 2001;12(5):453-60doi: 10.1023/a:1011261322881.
Higgs, W. A., Lucksanasombool, P., Higgs, R. J., & Swain, M. V. (2001). Comparison of the material properties of PMMA and glass-ionomer based cements for use in orthopaedic surgery. Journal of materials science. Materials in medicine, 12(5), 453-60. https://doi.org/10.1023/a:1011261322881
Higgs, W A, et al. "Comparison of the material properties of PMMA and glass-ionomer based cements for use in orthopaedic surgery." Journal of materials science. Materials in medicine vol. 12,5 (2001): 453-60. doi: https://doi.org/10.1023/a:1011261322881
Higgs WA, Lucksanasombool P, Higgs RJ, Swain MV. Comparison of the material properties of PMMA and glass-ionomer based cements for use in orthopaedic surgery. J Mater Sci Mater Med. 2001 May;12(5):453-60. doi: 10.1023/a:1011261322881. PMID: 15348286.
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J Mater Sci Mater Med. 2001 May;12(5):453-60. doi: 10.1023/a:1011261322881.

Comparison of the material properties of PMMA and glass-ionomer based cements for use in orthopaedic surgery.

Journal of materials science. Materials in medicine

W A Higgs, P Lucksanasombool, R J Higgs, M V Swain

Affiliations

  1. Biomaterials Research Unit, Faculty of Dentistry, Unversity of Sydney, NSW 2006, Australia.

PMID: 15348286 DOI: 10.1023/a:1011261322881

Abstract

The intrinsic benefits of low exotherm and bioactivity have generated interest in utilizing glass-ionomer cements (GIC) as a bone cement replacement in orthopaedic surgery. This paper is concerned with evaluating the mechanical properties of compressive strength, flexural strength, and fracture toughness for two traditional GICs, one resin-modified GIC (an experimental bone cement) and two polymethylmethacrylate (PMMA) cement systems. To determine the suitability of a GIC system for use in the clinical orthopaedic setting, the additional characteristics of setting exotherm and setting time have also been evaluated. The characterization of these two vastly different cement systems has raised some concern as to the applicability of using the current orthopaedic standards for the testing of GIC systems. In particular, issues relating to the strain rate dependence of PMMA cement and the exothermic basis for determining setting time are not applicable as these factors are not characteristic of GIC systems. Whilst the intrinsic benefits of current GIC systems are well understood and generally accepted, this study has shown their intrinsic mechanical properties to be inferior to current PMMA cements. Improvement in the mechanical properties of traditional GICs have been achieved with the addition of a resin component (HEMA).

Copyright 2001 Kluwer Academic Publishers

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