✦ LIBER ✦

Mechanical properties of poly(methyl methacrylate) bone cements

✍ Scribed by Robinson, R. P. ;Wright, T. M. ;Burstein, A. H.

Publisher: John Wiley and Sons
Year: 1981
Tongue: English
Weight: 342 KB
Volume: 15
Category: Article
ISSN: 0021-9304
DOI: 10.1002/jbm.820150208

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

Samples of low viscosity poly(methyl methacrylate) (PMMA), graphite reinforced PMMA, and graphite reinforced low viscosity PMMA were evaluated for their compression strength and fracture toughness. These results were compared with two currently used plain PMMA bone cements. There were no statistically significant differences in compression strength between the five cements. Graphite reinforcement of plain cement produced a 32% increase in fracture toughness over plain cement. Graphite reinforcement of low viscosity cement also produced a significant increase in toughness (31%) over low viscosity cement with fiber reinforcement. However, low viscosity cement demonstrated significantly less fracture toughness than plain PMMA.

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