When applied to the teeth, the hydrogel forms a film that cleans and whitens without destroying the enamel. The preparation contained nanoparticles of bismuth oxychloride, copper oxide and sodium alginate.

During the research, the scientists tested the effect of the film on tooth samples stained with coffee, tea, cranberry juice and soy sauce. Enamel was revealed with a gel using green light. As a result, it turned out that the drug, together with light, not only cleans the enamel, but also does not harm it.

In addition, the hydrogel also turned out to be a bactericidal agent: the drug destroys about 94% of bacteria in the mouth.

Source: Ferra

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