Background: The tooth whitening has been proposed long in dentistry, but in recent years the emphasis of the media in creating a standard of beauty increasingly clear teeth this has gained a huge demand in offices, because it is a technical conservative that returns the smile the desired beauty. Objective: The objective of this study was to analyze through the literary finds the best whitening cosmetic treatment, home and / or office and guide the professional and choosing the best whitening technique and control in reducing sensitivity caused by bleaching. Methods: For the identification of studies in this review study, carried OUT A detailed search strategy for Medline, Pubmed, Embase, Ovid and Cochrane Library in the years 1989 - 2016, as well as books and related to the topic magazines. Discussion: Nowadays it created a new smile pattern, the search for white teeth has been increasingly sought after day for greater acceptance as a standard of beauty. With all the information nowadays these bleaching techniques were more efficient when supervised by a trained professional. Conclusion: Both techniques are excellent when well conducted by professional and well educated to the patient, thus enabling treatment satisfaction for the patient and the professional.