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"Dental amalgams contain mercury, which may have neurotoxic effects on the nervous systems of developing children and fetuses," reads a statement that has been added to the agency's Web site. “银汞合金含有汞，对于成长中的儿童和胎儿的神经系统具有神经毒性作用，”这一段陈述已被加入到该机构的网站中。 - 2
So-called dental amalgams, or fillings made with a mix of mercury and other metals, have been used since the 1800s. 所谓的银汞合金或者是填充材料，是用汞和其他材料混合制成的，这种方法从1800年就使用了。 - 3
Dental amalgams, the silver-colored material used to fill teeth after removal of a cavity, include liquid mercury and a powder that contains silver, tin, copper, zinc, and other metals. 银色的汞合金在牙科中被用于填充牙齿患病后残留的腔洞，合金包括液态的汞和粉末状的银、锡、铜、锌以及其他金属。
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