Effect of bleaching agent extracts on murine macrophages.

Objectives: The aim of this study was to evaluate the cytotoxicity and the influence of bleaching agents on immunologically cell surface antigens of murine macrophages in vitro.

Materials And Methods: RAW 264.7 cells were exposed to bleaching gel extracts (40% hydrogen peroxide or 20% carbamide peroxide) and different HO concentrations after 1 and 24-h exposure periods and 1-h exposure and 23-h recovery.