If you want a pearly white smile without using chemical-laden teeth whiteners, try this recipe Native Americans used to keep their teeth dazzling.
Grind 2 tablespoons of sea salt and 2 tablespoons of dried sage leaves together. Spread evenly on a baking sheet and bake for 30 minutes in a 250F oven. Cool, and then stir to blend. Scoop some of the mixture on your toothbrush and brush vigorously, then rinse thoroughly.