A new technique used to coat the surface of metal implants that replace hip, knee, finger, and shoulder joints could promote the growth of new bone.
The technique, called surface induced mineralization (SIM), deposits coatings of calcium phosphate that contain growth factors directly onto the surfaces of implants made of titanium and other metals. Scientists from several research institutions discussed SIM and other uses of biologically active materials last month during an American Chemical Society meeting in Pasco, Wash.
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