Porous materials in tissue engineering

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A favorable application prospect has been showed in basic and clinical research of porous material implantation in recent years.


To retrospect the progress in basic and clinical research of porous materials in the past 10 years and to summarize the existing problems and clinical prospects.


A computer-based search of PubMed and CNKI databases was performed for relevant articles using the keywords of “porous material, bone implantation” in English and Chinese, respectively. The included articles were related to porous materials and composite materials used in vitro, in vivo or in clinic, as well as porous materials closely related with bone defect repair or bone tissue engineering.


Hydroxyapatite, titamium and its alloys, polyethylene, calcium phosphates are porous materials that have been studied presently. Increasing experimental studies have shown that the porous materials have good histocompatibility and osteoinductive features in vitro and in vivo. But the uniform standards for porosity size in favor of tissue growth that is fastest and most effective have not been obtained. It is unclear how to gain and control the porosity of porous materials that are irregular, how to control the elasticity modulus, and how to gain 100% porosity effectively. Furthermore, whether the inflammation and exposure of porous materials in clinical application are related to the above-mentioned problems are unable to confirm.

Subject headings:

tissue engineering; bone transplantation; hydroxyapatites

Subject headings:

Cong YJ, Song M. Porous materials in tissue engineering. Zhongguo Zuzhi Gongcheng Yanjiu. 2014;18(30): 4889-4894.

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