The tooth whitening is a very simple procedure.

The tooth whitening is a very simple procedure that is performed with a large number of patients in the office. It is very popular because it means a major change in the dental and facial aesthetics of the patient. The smile is one of the main "letters of introduction" that we human beings. People with pleasant smiles tend to be better accepted than people with Checks or stained teeth and yellow. Galen and the beauty of Hollywood is often distinguished by their beautiful smiles with white teeth and well-aligned (think for example in the smile of Julia Roberts or Brad Pitt in).
The color of the tooth is mainly determined by the dentine (the layer of the tooth which is located just below the enamel which is the outer layer of the tooth and harder and transparent). The studies that have been made with whitening agents indicate that they act blanching both the enamel and dentin. In fact, penetrates dentin launderer easily and at the same speed throughout its thickness.