Table 1.

Bone cement materials compared in the present study.

Bone Cement Type	Ingredients
PMMA-BPO1(Endurance MV, DePuy Orthopaedics)	Powder: Polymethyl methacrylate (PMMA) (67.05%) Methyl methacrylate/styrene copolymer (21.10%) Benzoyl peroxide (BPO) initiator (1.85%) Barium sulphate (10.00%) Liquid: Methyl methacrylate (MMA) (98.00%) N,N-dimethyl-p-toluidine (DmpT)(<2.00%) Hydroquinone (HQ) (75 ppm)
PMMA-BPO2(Surgical Simplex P, Stryker)	Powder: Polymethyl methacrylate (PMMA) (15.00%) Methyl methacrylate-styrene copolymer (73.70%) Benzoyl Peroxide (BPO) initiator (1.30%) Barium sulfate (10.00%) Liquid: Methyl methacrylate (MMA) (97.40%) N,N-dimethyl p-toluidine (DmpT) (2.60%) Hydroquinone (HQ) (75 ppm)
PMMA-TBB(Experimental)	Powder: Polymethyl methacrylate (PMMA) (90.00%) Barium sulfate (10.00%) Liquid: Methyl methacrylate (MMA) (91.00%) tri-n-butyl borane (TBB) initiator (9.00%) Hydroquinone (HQ) (50 ppm)