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KMID : 0362220100370020159
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Journal of The Korean Research Society for Dental Materials
2010 Volume.37 No. 2 p.159 ~ p.164
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Titania-Hydroxyapatite composite coating method by resorbable blasted media and anodic oxidation for dental implant application
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Moon Seung-Kyun
Kang MIn-Kyung
Cho Yu-Jeong
Park Jeong-Jong
Kim Kwang-Mahn
Kim Kyoung-Nam
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Abstract
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This study was performed to examine the effect of a composite coating of resorbable blast media (RBM) and micro arc oxidation (MAO) on the bioactivity and cell compatibility. The RBM treatment was performed by grit blasting with 45 micron-sized hydroxyapatite (HA) powder, and micro arc oxidation (MAO) was performed by the electrolyte solution of β-glycerophosphate and calcium acetate on the condition of various applied voltages (100 V - 250 V) for 3 min. After RBM treatment, the modified surface were analyzed by FE-SEM, EDS and FT-IR. After anodic oxidation at 150 V and 200 V, the surface treated by composite coating included HA and TiO2, but TiO2 was only found after micro arc oxidation at 250 V. Overall, a composite coating containing HA and porous TiO2 can be prepared by using RBM treatment and MAO.
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KEYWORD
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dental implant, resorbable blast media (RBM), micro arc oxidation (MAO)
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