PaperFracture processes in acrylic bone cement containing barium sulphate dispersions
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Enhancing effects of radiopaque agent BaSO<inf>4</inf> on mechanical and biocompatibility properties of injectable calcium phosphate composite cement
2020, Materials Science and Engineering CCitation Excerpt :This reinforcing feature of BaSO4 agrees with the results of several previous studies. For example, some studies showed that the addition of BaSO4 led to an improvement in fatigue crack propagation resistance of the acrylic bone cements [34,35]. Another reported that the addition of BaSO4 resulted in a decrease in the tensile strength, but did not affect the fracture toughness and improved the crack propagation resistance [7].
Mechanical performance of acrylic bone cements containing different radiopacifying agents
2002, BiomaterialsCitation Excerpt :Actually, as it can be observed in Fig. 11b, in some cases the PMMA beads were fractured, but in other instances it was observed that the crack propagated preferentially through the interbead matrix, surrounding the PMMA beads. The results obtained in this study are in good agreement with those reported in the literature for a commercial cement (Simplex, 10% BaSO4), where an increase in the fatigue crack propagation resistance is attributed to the presence of the radiopacifying agent [9,42]. The same positive effect is also observed when barium sulphate is replaced by zirconium dioxide in this cement [43].
Fracture toughness of acrylic denture base
1983, BiomaterialsFracture behaviour of commercial surgical acrylic bone cements
1979, Journal of Biomedical EngineeringAlternative radiopacifiers for polymethyl methacrylate bone cements: Silane-treated anatase titanium dioxide and yttria-stabilised zirconium dioxide
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