History of use of silver compound
About 1000 years ago, in Japan, there was a custom
among the ladies to dye their teeth black called
“Ohaguro,” for expressing married. Although, it was
tooth cosmetics, at the same time, it is conceived to
prevent the dental caries.
History of use of silver compoundAbout 1000 years ago, in Japan, there was a customamong the ladies to dye their teeth black called“Ohaguro,” for expressing married. Although, it wastooth cosmetics, at the same time, it is conceived toprevent the dental caries.
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