Nowadays, teeth whitening is a popular procedure for those who want a bright and esthetic smile. It can be done professionally at the dentist and it is a painless procedure. The color change may vary from one to three shades, depending on the teeth natural color of the patient. To maintain long-lasting effect, it is recommended to repeat the procedure every 6 to 12 months. The effect and benefits of whitening depend on a several factors, such as consumption of tobacco, coffee, tea, wine, colored food, regular oral hygiene and dental visit. Another procedure that can be performed is home teeth whitening however, results from this procedure are achieved slowly. Usually the dentist provides a silicone guard and whitening paste as well as guides the patient how to use it at home.Teeth whitening is recommended to be done above the age of 18 when the mineralization of the enamel is already finished, which on the other hand at younger age the physiological procedures are still in growth and development. In addition, the procedure itself is performed in 45 min and afterwards, one should avoid eating and drinking colored food and beverages for two weeks.