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Results (in %) of L929 cell proliferation (A) and dental pulp cell proliferation (B) in comparison with the untreated control after incubation with 1% w/v of Opalescence® PF 10%, Philips ZOOM®! NiteWhite® 16%, Philips ZOOM®! DayWhite® 6%, Philips ZOOM®! 6%, Philips ZOOM®! 25%, Opalescence® Boost 40% and Philips Dash 30%.
