Abstract
Three-dimensional porous scaffolds play an important role in cartilage and bone tissue engineering as temporary templates for transplanted cells to control their adhesion and proliferation to guide the formation of the new tissues. The scaffolds should be biodegradable, biocompatible, mechanically strong, and capable of being formed into desired shapes. Biodegradable synthetic polymers and naturally derived collagen have their respective advantages and drawbacks. Hybridization of the two kinds of polymers has been carried out to combine their respective advantages. This review will summarize some of the recently developed porous scaffolds having hybrid, biphasic and leakproof structures, and their application to bone and cartilage tissue engineering.
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