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The surface structure and antibacterial property of Ag-containing coating on casting cobalt chromium alloy / 实用口腔医学杂志
Journal of Practical Stomatology ; (6): 637-640, 2014.
Article in Chinese | WPRIM | ID: wpr-458960
ABSTRACT

Objective:

To study the surface structure and antibacterial property of Ag-containing coating(AgCC)on casting cobalt chromium alloy(Co-Cr).

Methods:

Plasma spraying technique was adopted to prepare AgCC on Co-Cr.Scanning electron microsco-py,energy dispersive analysis and X-ray diffraction analysis were used to evaluate the surface properties.The antibacterial effects of AgCC against staphylococcus aureus and candida albicans were examined by film attachment method.Fluorescence microscope was a-dopted to evaluate the bacteria adhesion property.

Results:

AgCC surface was uniform and compact,combined perfectly with sub-strate material.The content of the surface was mainly Ag,Cr and a small amount of Ag2 O and Cr2 O3 .The results of antibacterial as-say showed that on AgCC the number of bacterial colony was fewer(P<0.05)and bacterial adhesion was less than those on Co-Cr(P<0.05).

Conclusion:

AgCC surface was stable and has antibacterial property.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Journal of Practical Stomatology Year: 2014 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Journal of Practical Stomatology Year: 2014 Type: Article