We've all heard about the versatility of baking soda, and how it's used as a natural cleanser. Baking soda or sodium bicarbonate is popularly used to clean paint, neutralize odors from books, remove pesticides from vegetables, leavening in baking, etc. But, have you tried brushing your teeth with baking soda? Several folks have tried brushing their teeth with baking soda; to clean and whiten their teeth. Sounds bizarre, isn't it! But, it's true!