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Surface Characteristics of HA Coated Dental Implant Alloy by Sol-Gel Method  

Choe Han-Cheol (Department of Dental Materials & Research Center of Nano-Interface Activation for Biomaterials, College of Dentistry, Chosun University)
Ko Yeong-Mu (Department of Dental Materials & Research Center of Nano-Interface Activation for Biomaterials, College of Dentistry, Chosun University)
Publication Information
Journal of the Korean institute of surface engineering / v.38, no.4, 2005 , pp. 167-173 More about this Journal
Abstract
Surface characteristics of HA(hydroxyapatite) coated dental implant alloy by Sol-Gel method were investigated using potentiostat, ICP, SEM, EDX, EPMA and surface roughness tester. Surface roughness of HA coated specimen by Sol-Gel showed higher than that of PVD coated specimen. Corrosion resistance increased in the order of $1\%$ lactic acid, artificial saliva, $0.5\%$ HCI and $0.9\%$ NaCl solution. Amount of Ca element release was higher than that of V and P in the $0.5\%$ HCI and $0.9\%$ NaCl solution.
Keywords
Sol-Gel method; Hydroxyapatite; Corrosion Resistance; Dental Implant Alloy; Surface Roughness;
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