Table 1.

Composition of polymethyl methacrylate (PMMA)-based bone cement.

Component	Constituent
Solid	Polymethyl methacrylate (alone or in combination with other polymers, such as polymethacrylate or polystyrene)
	Zirconium dioxide or barium sulfate, as a radio-opaque agent
	Benzoyl peroxide, as an initiator
	Colorant (e.g., E141)
Liquid	Methyl methacrylate
	N,N-dimethyl-p-toluidine, as an accelerator
	Hydroquinone, as a stabilizer
	Colorant (e.g., E141)