[Mechanical Reinforcement Strategy of Calcium Phosphate Cements by Loading Polymers].

Calcium phosphate cement (CPC) is well known for the excellent bioactivity and biocompatibility, however, CPC has been used only for the repair of non-load bearing bone defects due to its brittle nature and low flexural strength. Polymer reinforced CPC has been considered as one of the most effective strategies for mechanical reinforcement. This paper summarizes various kinds of polymers loaded CPC:fiber reinforcement, microsphere reinforcement and dual setting cements.

[Application of Microspheres in Calcium Phosphate Cement System].

Calcium phosphate cement(CPC)has been widely used as bone fillers because of its excellent bioactivity and biocompatibility.Meanwhile,CPC is also an attractive candidate for the incorporation of drug or microspheres,because the preparing procedure avoids sintering and heating release.This paper summarizes the clinical applications of microspheres incorporated in CPC from the aspects of sustained drug release,accelerated degradation,porous structure and improved mechanical properties.