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Evaluation of Infection Resistance of Biological Implants through CMP based Micro-Patterning

Published online by Cambridge University Press:  03 September 2012

G. Bahar Basim
Affiliation:
Department of Mechanical Engineering, Ozyegin University, Istanbul, 34794, Turkey.
Zeynep Ozdemir
Affiliation:
Department of Mechanical Engineering, Ozyegin University, Istanbul, 34794, Turkey.
Ayse Karagoz
Affiliation:
Department of Mechanical Engineering, Ozyegin University, Istanbul, 34794, Turkey.
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Abstract

Biomaterials are widely used for dental implants, orthopedic devices, cardiac pacemakers and catheters. One of the main concerns on using bio-implants is the risk of infection on the materials used. In this study, our aim is to quantify the effect of controlled surface roughness on the infection resistance of the titanium based bio-materials which are commonly used for orthopedic devices and dental implants. To modify the surface roughness of the surfaces in a controlled manner, Chemical Mechanical Polishing (CMP) technique, which is extensively used in semiconductor industry for the planarization of the interlayer dielectrics and metals, is utilized. To determine the infection resistance of the created films with varying surface roughness, bacteria growth response was studied on titanium plates after CMP.

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Copyright
Copyright © Materials Research Society 2012

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References

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