P-111 タンパク質を含む人工唾液中における金銀パラジウム合金の溶出挙動(細胞・溶出,一般講演(ポスター発表),第54回日本歯科理工学会学術講演会)

概要

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The purpose of this study is to study the dissolution behavior of dental Ag-Pd-Cu-Au alloys in artificial saliva including protein. The cast specimens (surface area of 6 cm^2) were polished using #1,000 SiC waterproof paper. Fusayama's artificial saliva, Hank's balanced salts solution, and artificial saliva Saliveht with or without mucin as immersion solutions for metal extraction were prepared. The cast specimen was immersed in 50 mL of each immersion solution, and incubated at 37℃ for 7 days. ICP-MS worked by analyzing the released elements. The level of Cu, Zn and Ag from the tested alloys in the Fusayama's artificial saliva without mucin was about twice as high as that of elements in the saliva with mucin.
2009-09-10