Do effect of bleaching and repolishing procedures on coffee and tea stain removal from three anterior composite veneering materials?
The results of this study suggest that the discoloration of resin veneers can be partially removed by in-office bleaching and repolishing procedures.
In immunohistochemical study, remarkable staining for HLA-F was confirmed in EVTs throughout gestation. HLA-F expression was restricted to be intracellular in cultured EVTs. HLA-F expression was increased with time in culture, which was accompanied by the increase of cell surface HLA-G. Consequently, HLA-F lacking in cell surface expression on EVTs may not contribute to the direct cell-to-cell immune reaction but might work supportively modifying the function of HLA-G.