Perhaps you are not drinking the right kind of beverage for your teeth, and this is leading to the staining. Dark-colored beverages such as coffee, cola and red wine can, and will, stain your teeth. If you are a consumer of these problem beverages, drink them through a straw so they don’t touch your teeth as often.
To make a natural toothpaste using bay leaves and orange peel, grind them into powder. Use the powder with a bit of water to mix a paste you can brush the teeth with. This combination may also help prevent such problems as gingivitis and dental caries.
A mixture of baking soda and hydrogen peroxide can be used as a toothpaste. You can whiten your teeth, and avoid exposing teeth to abrasive chemicals, by simply brushing with this solution. Do not swallow the mixture, though. Although, if you do swallow this mixture, flush it out with water.