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Bone cement have been used widely in supporting artificial joints for more than half a century. Bone cement provides elasticity by filling the space between prosthesis and the bone. The necessity of bone cement is supported by the fact that the human hip is acted on 10-12 times by the body weight and therefore the forces acting on hips should be absorbed by the bone cement to ensure safety of artificial implants. An orthopedic cast is a shell made from plaster, encasing a limb to hold a broken bone in place until total recovery is made.