采用金合金、钴铬合金、镍铬合金等三种牙科合金浸提液与L929细胞联合培养,使用流式细胞仪检测浸提液对细胞的增殖与凋亡的影响,比较三种合金的生物相容性.结果表明:金合金对细胞增殖的影响很小,不易引起细胞凋亡,细胞毒性小,表明其生物相容性优良;镍铬合金对细胞增殖的影响较大,易引起细胞凋亡,细胞毒性较大,表明其生物相容性差;钴铬合金的情况介于二者之间,也具有较好的生物相容性.
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