To whiten teeth following criteria must be met: If you have fillings must be of good quality If

To whiten teeth following criteria must be met: If you have fillings must be of good quality If you have a hole (caries) must first be processed Overflatemisfarginger should be removed Gums needs to be fresh and you should not have other diseases of the mouth You should be over 18 years
Scientific research shows that with the aid of a microscope can see that the enamel surface affected toothbrush sanitizer anything. It is however a very small effect - you can compare it with the change that happens when you drink a bottle of Coke!