Yellow stains on teeth can be caused by smoking, drinking coffee or improper brushing. Fortunately, there are many ways to get rid of these stains your teeth become beautifully white, and you can get an enchanting smile!
Using herbs and spices you can whiten teeth naturally and restore the smile on your face:
This is one of the herbs that you can use to whiten your teeth, but works best in combination with citrus fruit.
Take a bay leaf and Crumble how finely you. Mash one lemon or orange, together with laurel leaf make a mixture that will clean your teeth.
And strawberries can be used as cleaning the teeth. Take 2-3 strawberries, crushed them and make the mixture. Twice a day, the next two, three weeks, rub your teeth with strawberries.
Olive, coconut and sesame oil
Take one spoon of one of the oils and wash your mouth with it and spit it, use it the same way as you use a teeth washing liquid
This should do it every morning, 15-20 minutes.
Baking soda and lemon juice
Toothpaste you can do so that you mix a teaspoon of baking soda with freshly squeezed lemon juice. Brush teeth, apply this mixture and leave on for 1 minute, then rinse.
Source : http://nmd.mk/selectedarticle.aspx?cid=19502&scID=2133&l=63#cpage=2