Two-photon-excited autofluorescence and second-harmonic generation microscopy for the visualization of penetration of TiO2 and ZnO nanoparticles into human tooth tissue ex vivo
Penetration of nanoparticles into tooth tissues is of significant interest in solving problems related to reduction of toothsensitivity, enamel strengthening and restoration and cosmetic bleaching. In this work we demonstrate two-photonexcitedautofluoresc
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