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Journal of Materials Science

, Volume 41, Issue 17, pp 5758–5759 | Cite as

Influence of two changes in the composition of an acrylic bone cement on some of its properties: the case of Surgical Simplex® P

  • S. Madigan
  • M. R. Towler
  • G. Lewis
Letter

Self-curing acrylic bone cements are widely used in orthopaedic surgery for the fixation of joint prostheses [1] and in vertebroplasty and kyphoplasty [2] for the stabilisation and/or augmentation of fractured vertebrae. The cement’s curing process is the result of a free-radical polymerisation of a mixture of poly (methy1 methacrylate) [PMMA]-containing powder and a liquid monomer that has methyl methacrylate (MMA) in it, that is initiated by the decomposition of benzoyl peroxide (BPO) in the powder, activated/co-initiated by a tertiary amine (usually, N,N-dimethyl-4-toluidine [DMPT)]) in the monomer, and stabilised by, usually, hydroquinone in the monomer. There are three very important aspects of this polymerisation process. First, only a small amount (typically, 0.1%) of the DMPT is consumed during the polymerisation process, the balance remaining in the cement [3]. Thus, for example, in a cemented arthroplasty, there is the potential that, over the in situ life of the implant,...

Keywords

PMMA Tertiary Amine Benzoyl Peroxide Methemoglobinemia Cement Mantle 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgement

The authors thank Stryker Howmedica Osteonics (Limerick, Ireland) for donating generous amounts of all the materials that were used to make the experimental formulations used in the study.

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Copyright information

© Springer Science+Business Media, LLC 2006

Authors and Affiliations

  1. 1.Materials and Surface Science InstituteUniversity of LimerickLimerickIreland
  2. 2.Department of Mechanical EngineeringThe University of MemphisMemphisUSA

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