No more yellow teeth here is how:
1. Baking soda and squeezed lemon juice: mix the ingredients in a bowl. It will start foaming. Before applying the mixture, clean your teeth. Then apply the mixture and stay still for a minute. Later brush your teeth regularly with a toothbrush. Repeat the treatment as long as you want, until you see wanted results.
2. Banana peel: another way to make your teeth wight. Take the inner side of the banana and rub your teeth with it. Do this two weeks, every day and there will be good results.
3. Active coal: dissolve 2 tablets active coal in a not full glass of water. Put the toothbrush in the glass and that is how you will brush your teeth for 2 minutes. After that regularly wash your teeth. If you are not happy with the result, you can always repeat the treatment.