Home > Research > Publications & Outputs > The dynamic volume changes of polymerising poly...

Research

Associated organisational unit

Links

Text available via DOI:

View graph of relations

The dynamic volume changes of polymerising polymethyl methacrylate bone cement

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Published

Standard

The dynamic volume changes of polymerising polymethyl methacrylate bone cement. / Muller, Scott D.; Green, Sarah M.; McCaskie, Andrew W.
In: Acta Orthopaedica Scandinavica, Vol. 73, No. 6, 2002, p. 684-687.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Muller, SD, Green, SM & McCaskie, AW 2002, 'The dynamic volume changes of polymerising polymethyl methacrylate bone cement', Acta Orthopaedica Scandinavica, vol. 73, no. 6, pp. 684-687. https://doi.org/10.3109/17453670209178037

APA

Muller, S. D., Green, S. M., & McCaskie, A. W. (2002). The dynamic volume changes of polymerising polymethyl methacrylate bone cement. Acta Orthopaedica Scandinavica, 73(6), 684-687. https://doi.org/10.3109/17453670209178037

Vancouver

Muller SD, Green SM, McCaskie AW. The dynamic volume changes of polymerising polymethyl methacrylate bone cement. Acta Orthopaedica Scandinavica. 2002;73(6):684-687. doi: 10.3109/17453670209178037

Author

Muller, Scott D. ; Green, Sarah M. ; McCaskie, Andrew W. / The dynamic volume changes of polymerising polymethyl methacrylate bone cement. In: Acta Orthopaedica Scandinavica. 2002 ; Vol. 73, No. 6. pp. 684-687.

Bibtex

@article{80579c4b09f0462ab9f6a3a5e2a129ff,
title = "The dynamic volume changes of polymerising polymethyl methacrylate bone cement",
abstract = "The Swedish hip register found an increased risk of early revision of vacuum-mixed cemented total hip replacements. The influence of cement mixing technique on the dynamic volume change in polymerising PMMA is not well understood and may be relevant to this observation. Applying Archimedes' principle, we have investigated the dynamic volume changes in polymerising cement and determined the influence of mixing technique. All specimens showed an overall volume reduction: hand-mixed 3.4% and vacuum-mixed 6.0%. Regression analysis of sectional porosity and volume reduction showed a highly significant relationship. Hand-mixed porous cement showed a transient volume increase before solidification. However, vacuum-mixed cement showed a progressive volume reduction throughout polymerisation. Transient expansion of porous cement occurs at the critical time of micro-interlock formation, possibly improving fixation. Conversely, progressive volume reduction of vacuum-mixed cement throughout the formation of interlock may damage fixation. Stable fixation of vacuum-mixed cement may depend on additional techniques to offset the altered volumetric behaviour of vacuum-mixed cement.",
author = "Muller, {Scott D.} and Green, {Sarah M.} and McCaskie, {Andrew W.}",
year = "2002",
doi = "10.3109/17453670209178037",
language = "English",
volume = "73",
pages = "684--687",
journal = "Acta Orthopaedica Scandinavica",
issn = "0001-6470",
publisher = "Taylor and Francis Ltd.",
number = "6",

}

RIS

TY - JOUR

T1 - The dynamic volume changes of polymerising polymethyl methacrylate bone cement

AU - Muller, Scott D.

AU - Green, Sarah M.

AU - McCaskie, Andrew W.

PY - 2002

Y1 - 2002

N2 - The Swedish hip register found an increased risk of early revision of vacuum-mixed cemented total hip replacements. The influence of cement mixing technique on the dynamic volume change in polymerising PMMA is not well understood and may be relevant to this observation. Applying Archimedes' principle, we have investigated the dynamic volume changes in polymerising cement and determined the influence of mixing technique. All specimens showed an overall volume reduction: hand-mixed 3.4% and vacuum-mixed 6.0%. Regression analysis of sectional porosity and volume reduction showed a highly significant relationship. Hand-mixed porous cement showed a transient volume increase before solidification. However, vacuum-mixed cement showed a progressive volume reduction throughout polymerisation. Transient expansion of porous cement occurs at the critical time of micro-interlock formation, possibly improving fixation. Conversely, progressive volume reduction of vacuum-mixed cement throughout the formation of interlock may damage fixation. Stable fixation of vacuum-mixed cement may depend on additional techniques to offset the altered volumetric behaviour of vacuum-mixed cement.

AB - The Swedish hip register found an increased risk of early revision of vacuum-mixed cemented total hip replacements. The influence of cement mixing technique on the dynamic volume change in polymerising PMMA is not well understood and may be relevant to this observation. Applying Archimedes' principle, we have investigated the dynamic volume changes in polymerising cement and determined the influence of mixing technique. All specimens showed an overall volume reduction: hand-mixed 3.4% and vacuum-mixed 6.0%. Regression analysis of sectional porosity and volume reduction showed a highly significant relationship. Hand-mixed porous cement showed a transient volume increase before solidification. However, vacuum-mixed cement showed a progressive volume reduction throughout polymerisation. Transient expansion of porous cement occurs at the critical time of micro-interlock formation, possibly improving fixation. Conversely, progressive volume reduction of vacuum-mixed cement throughout the formation of interlock may damage fixation. Stable fixation of vacuum-mixed cement may depend on additional techniques to offset the altered volumetric behaviour of vacuum-mixed cement.

U2 - 10.3109/17453670209178037

DO - 10.3109/17453670209178037

M3 - Journal article

VL - 73

SP - 684

EP - 687

JO - Acta Orthopaedica Scandinavica

JF - Acta Orthopaedica Scandinavica

SN - 0001-6470

IS - 6

ER -