How have healthy teeth bright?

We all dream of having healthy teeth bright. How? What to do and not do? The advice of specialist. Our teeth are more or less naturally white … First you must know that the only teeth are really white, or rather very clear, are the teeth. They do not have time to age as they come quickly enough. Moreover, the structure of enamel and dentin differs between the teeth and permanent teeth. This initial difference will increase with age and wear the enamel layer of teeth wears, it becomes thinner and becomes progressively more transparent, leaving more appear ivory underlying itself tends to darken with time. Thus, the permanent teeth are more or less clear naturally, and they are less and less with advanced age. However, if stains on teeth or teeth 'colored' clarification techniques may be used. But beware solely in adults. These techniques are never used among young people.