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Takemoto S , Nakai M , Hattori M , Ichikawa H , Igarashi T , Yoshinari M , Kawada E , Niinomi M , Oda Y

… The TNTZ in a solution with fluoride showed lower open circuit potential, polarization resistance, and higher current density at passive region in dynamic polarization curve than those in a solution without fluoride. … Although the electrochemical corrosion parameters for the TNTZ reduced in a fluoride-containing solution, the TNTZ had better resistance to corrosion of fluoride than the TI. …

The journal of the Japanese Society for Dental Materials and Devices 31(5), 382, 2012-09-25

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Endo K , Iijima M , Ida Y , Hashimoto M , Nagano F , Toshima H , Mizoguchi I

… The purpose of the present study was to examine the effectiveness of a DLC-coating for preventing corrosion of an oral implant abutment made of Ti in an acidic fluoride solution. … After the immersion test, Ra value for the as-polished Ti was increased to 48.3±7.3 nm due to corrosion, while that for the DLC-coated Ti was 5.8±1.8 nm. … The results suggest that a DLC film is effective for increasing the corrosion resistance of pure titanium. …

The journal of the Japanese Society for Dental Materials and Devices 31(5), 359, 2012-09-25

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