BioMed Research International / 2016 / Article / Tab 1

Research Article

Modification of Mechanical Properties, Polymerization Temperature, and Handling Time of Polymethylmethacrylate Cement for Enhancing Applicability in Vertebroplasty

Table 1

Biomechanical properties of bone cement mixed with varying concentrations of castor oil (0%, 5%, 10%, and 15%) at 25°C and 3°C.

GroupBiomechanical properties
TreatmentCastor oil (%)Density (kg/m3)Porosity (%) (MPa) (MPa)

Normal (22°C)0%1112.4 15.91.3 0.51739.4 128.275.3 5.0
5%1077.6 10.916.5 1.81306.1 48.851.2 4.4
10%1044.8 8.925.8 3.5763.3 116.633.6 4.8
15%1016.8 24.643.4 4.7474.0 35.317.2 1.9

Precooling (3°C)0%1111.3 7.72.0 0.41749.1 137.477.4 4.6
5%1075.4 11.715.8 2.81255.4 144.151.1 5.3
10%1046.8 10.426.2 3.6795.3 145.529.3 3.0
15%1015.1 21.645.8 6.9495.4 30.119.1 2.9

Ref. data for cancellous bone [16]325 1452.5 1.5

: Young’s modulus.
: compression strength.

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