It can’t make a complete colour change, but it may lighten the prevailing shade. “If there’s an underlying cavity or gum illness and you place a bleaching resolution on your teeth and gums, you’re extra prone to have antagonistic results,” says Dr. Clemons. “It might take a few weeks to get the identical outcomes with one type of strip versus maybe seven days for one thing that’s somewhat bit stronger,” she says. The process involves utilizing 1 tablespoon of oil like sesame, coconut or sunflower to swish around your mouth for 15 to 20 minutes a day.