Baking powder can bleach teeth because it contains baking soda. Simply create a paste of one-part baking powder to one-part water, and brush for one-to-two minutes. Whiten teeth with baking powder, making sure to rinse thoroughly after brushing, with tips from a licensed dental assistant in this free video on oral hygiene. Expert: Michelle McPhail Contact: www.MySolutionz.com Bio: Michelle McPhail has been a licensed dental assistant for seven years. Filmmaker: Christopher Rokosz