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目的 研究新型不含汞的牙体充填材料镓合金的抗腐蚀性能。方法 运用电化学方法,以高铜银汞合金为参照,检测镓合金在人工唾液中的电化学腐蚀速度。结果 在人工唾液中镓合金与高铜银汞合金的腐蚀速度无显著性差异(P>0.05)。结论 镓合金在人工唾液中具有良好的抗腐蚀性能。
Objective To study the corrosion resistance of a novel mercury-free dental filling material gallium alloy. Methods The electrochemical method was used to detect the electrochemical corrosion rate of gallium alloy in artificial saliva by using high copper amalgam as reference. Results There was no significant difference in the corrosion rate between gallium alloy and high-copper amalgam in artificial saliva (P> 0.05). Conclusion Gallium alloy has good corrosion resistance in artificial saliva.