A person who smiles is one of its main attributes. If someone shows her white teeth, who want to have teeth as crystal clean as possible. Yellow teeth can be a source of great embarrassment to many, because their presence may be a number of adverse events of activation that is. A person with a smile, yellow teeth can shrink or take it more seriously, they can avoid social contact altogether.
Fortunately, there is a cure for yellow teeth. A popular method of teeth whitening, tooth whitening, or not known. Although the methods of teeth whitening today, new and existing methods of tooth whitening seems practiced by different cultures for various periods. Ancient civilizations used the available substances such as vinegar, yellow stains from teeth. The ancient Romans used urine, even! Today you do not have to resort to these methods, but it is important to know what products are available, so do more harm than good.
The most powerful whitening teeth should be done in consultation with your dentist. Professional help is needed because high oxidizing power can cause chemical burns agents if handled properly. If you are a suitable tray whitening teeth and mouth. Without a tray is adjusted correctly, the chemical is not distributed evenly and the results will be biased. With the tray in place an adequate amount of chlorine can be put into the machine and put teeth over a given period - usually about 20 minutes.