Applied Bionics and Biomechanics

Applied Bionics and Biomechanics / 2007 / Article

Open Access

Volume 4 |Article ID 675629 | https://doi.org/10.1080/11762320701816966

Duncan E. T. Shepherd, Godfrey Azangwe, "Synthetic Versus Tissue-Engineered Implants for Joint Replacement", Applied Bionics and Biomechanics, vol. 4, Article ID 675629, 7 pages, 2007. https://doi.org/10.1080/11762320701816966

Synthetic Versus Tissue-Engineered Implants for Joint Replacement

Abstract

Human synovial joints are remarkable as they can last for a lifetime. However, they can be affected by disease that may lead to destruction of the joint surface. The most common treatment in the advanced stages of joint disease is artificial joint replacement, where the diseased synovial joint is replaced with an artificial implant made from synthetic materials, such as metals and polymers. A new technique for repairing diseased synovial joints is tissue engineering where cells are used to grow replacement tissue. This paper explores the relative merits of synthetic and tissue-engineered implants, using joint replacement as an example. Synthetic joint replacement is a well-established procedure with the advantages of early mobilisation, pain relief and high patient satisfaction. However, synthetic implants are not natural tissues; they can cause adverse reactions to the body and there could be a mismatch in mechanical properties compared to natural tissues. Tissue-engineered implants offer great potential and have major advantages over synthetic implants as they are natural tissue, which should ensure that they are totally biocompatible, have the correct mechanical properties and integrate well with the existing tissue. However, there are still many limitations to be addressed in tissue engineering such as scaling up for production, bioreactor design, appropriate regulation and the potential for disease to attack the new tissue-engineered implant.

Copyright © 2007 Hindawi Publishing Corporation. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


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