Firas Arnaout & Athar Siddiqui. Bone cement is a composite material called polymethyl methacrylate used in orthopedics.
- It has mechanical properties such as poor tensile strength, moderate shear strength, and high compressive strength.
- It functions as a grout and filler, aiding in fixation and filling voids between prosthesis and bone.
- Clinical indications for bone cement include eradicating infection, filling bone defects in conditions like osteoporosis or fractures, and as a void filler in revision hip replacements.
- The main components of bone cement are liquid monomer (methyl methacrylate) and powdered polymer, and antibiotics and dyes can also be added. The chemical reaction between them is called polymerization.
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