The oscillating-rotating power brush provided statistically significantly superior reductions compared to the sonic brush in mean adjusted MGI ( @ % and @ % at Weeks @ and @ , respectively ; p < @ ) , GBI ( @ % at Week @ ; p = @ ) , and total number of bleeding sites ( @ % and @ % at Weeks @ and @ , respectively ; p = @ ) , and produced statistically significantly greater relative mean adjusted plaque reductions for RMNPI whole mouth plaque ( @ % and @ % at Weeks @ and @ , respectively ; p < @ ) , gingival margin plaque ( @ % at Week @ ; p = @ ) , and interproximal plaque ( @ % and @ % at Weeks @ and @ , respectively ; p < @ ) .