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. 2019 Jul 15;14:5243–5256. doi: 10.2147/IJN.S205804

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© 2019 Yuan et al.

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EDS spectra before and after dentifrice adsorbed Cr⁶⁺. The horizontal axis represents the value of the voltage (keV) at which different elements can be excited. The findings comparing between before/after diagrams for each group showed that there was chromium in the powder which was further confirmed that the HA dentifrice could adsorb Cr⁶⁺.