PMID: 15239567Jul 9, 2004Paper

Propagation of fatigue cracks in acrylic bone cements containing different radiopaque agents

Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
J M ManeroI Goñi

Abstract

In this work three iodine-containing monomers were proposed as new radiopaque agents for acrylic bone cements. In previous studies the addition of iodine-containing methacrylate monomers provided a statistically significant increase in tensile stress, fracture toughness and ductility, with respect to the barium sulphate (BaSO4)-containing cement. However, since fatigue resistance is one of the main properties required to ensure a good long-term performance of permanent prostheses, it is important to compare the fatigue properties of these new bone cement formulations with the radiolucent and BaSO4-containing bone cements. Because the acrylic cements have initial cracks, fatigue crack propagation studies were performed. It can be observed that these acrylic cements followed the Paris-Erdogan model. The results showed that the addition of some organic radiopacifiers (DISMA, TIBMA) increased the fatigue crack propagation resistance as compared to the radiolucent cement, being similar to the BaSO4-containing cement. The radiolucent cement showed a low crack propagation resistance.

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Citations

May 8, 2007·Journal of Materials Science. Materials in Medicine·S L Evans
Feb 8, 2006·Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine·S L Evans
Sep 14, 2010·Biomacromolecules·Elisa CortecchiaMariastella Scandola

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