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      Tissue reaction to ceramic implant material.

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      Journal of biomedical materials research
      Wiley

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          Abstract

          The biocompatibility of alumina ceramic was tested by means of macrophage cultures, intraperitoneal (i.p.) and intramuscular (i.m.) application of powdered particles in rats, and by implantation of solid samples in the paravertebral muscles and the condylus femur. No acute cytotoxicity was found in macrophage cultures. The i.p. and i.m. application of powdered particles in the beginning showed a granulocytic reaction, later followed by a histiocytic reaction. Also, the morphological changes in the organs of reticulo histiocytic system (RHS) are shown. In the solid samples implantation, the fibrogenetic stimulus is measured by morphological analysis of the connective tissue membrane around the sample. The importance of the individual cell observation by transmission-electron microscope (TEM) examination is evidenced. The experimental results are compared to the environmental reaction of smaller animal-adapted prostheses and prostheses having been implanted in human patients. Good biocompatibility is confirmed by these investigations; also regarding central position of the macrophages, the environmental reaction due to implant material is shown.

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          Author and article information

          Journal
          J Biomed Mater Res
          Journal of biomedical materials research
          Wiley
          0021-9304
          0021-9304
          Jan 1979
          : 13
          : 1
          Article
          10.1002/jbm.820130109
          429386
          c37434e9-eb9c-4a3e-8f8d-2bb80a91c21f
          History

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