Czasopismo | INŻYNIERIA MATERIAŁOWA | Rocznik 2013 - zeszyt 3

Plasma surface alloying and post depositional electrochemical treatment of titanium as a new concept of biomaterial properties modification

nr katalogowy: 78030

In past few years tremendous scope of advanced and interdisciplinary research at field of biomaterial properties was evaluated. Investigations particularly bring closer relations between ?gliving tissue?h and biomaterial surface [1]. Manipulation at the level of surface morphology its physical state and most of all chemical composition, brings direct impact on tissue-implant integration that was confirmed in different approaches [2?€4]. The tissue, for example, may improve cell proliferation in respond to proper chemical composition, energy state or surface roughness [5]. Its spreading and adhesion could also be dependent from the above factors and emerge ionic state for example may determine proper signalling and regulates a wide variant of biological functions [6]. Successful osseointegration of biomaterial and proper functioning after orthopaedic and trauma surgery, depends on various surface factors. Different research demonstrate that roughness influenced cell morphology and growth with topography that can change cell orientation and attachment strength. Surface reaction always takes (firstly) water molecule and protein adsorption. At this stage different electrochemical reactions on surface of biomaterial may occur. Following that consideration occurring reaction may lead to the formation of fibrous tissue also results from micromotion of implant or even inflammatory response of human body that ends with the rejection. Proper cellular interaction with surface energy results in cell adhesion, proliferation and differentiation that should lead to matrix production and calcification with expected expand osseointegration. Significance of above relations focused the researchers attention on surface properties without necessity of changing basis. The future of economic processes of surface properties enhancement seems to be high energy treatments employing lasers [7, 8], electron beam or plasma [9]. Problems of modifying [...]

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