platinum-group metal alloy 铂族金属合金
Conclusion Hard alloy dust exposure can greatly increase the hair cobalt content of workers, but it almost has no influence on the blood cobalt content in the experimental group.
结论硬质合金粉尘接触可导致人体头发钴含量显著增高，但对人体全血钴含量影响不大。
Patients in group A(109 teeth) were treated with cast cobalt-chromium alloy post, cobalt-chromium alloy handcuffed ceramic crowns;
A组109颗重度楔状缺损牙，采用铸造钴铬合金桩、钴铬合金烤瓷冠修复；
Results There was a statistically significant difference of microleakage between the Gallium Alloy and GK High Copper Amalgam group after 28 days' immersion in 1% Methylene Blue solution (P<0.01).
结果镓合金组根尖充填后2 8天时的微渗漏情况明显优于GK高铜银汞合金组，差异有显著性意义（P< 0 .0 1 ）。
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