Implants are commonly made from metals such as titanium alloys. These materials are being made porous during processing used to prepare them for medical use. Whereas this is important to ensure good contact between the implant and the bone, this also allows dangerous bacteria to adhere and grow both on the surface as well as inside leading to increased risk of infection. “Our work has focused on developing an analysis of surface treatments for commercial implants which reduces risk of infection,” said Professor Michael Gasik at Aalto University. “What we wanted to do is find a way to avoid the formation of any undesirable products during the processing of the implant.” “At the same time we needed to make sure that the bio-mechanical properties of the implant would remain intact and, even more, become better.”
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