The prepared dentifrice preparation is teeth whitening gel. The main objective of the present study is to formulate the teeth whitening gel to achieve a “perfect smile” and youthful look. In the tray based system, the tray is fabricated in the dental lab according to individual’s teeth size. The prepared gel applied in the tray and the tray is wear by the individual for about 15-20 minute twice a day upto 30-45 days. Tray based technique is used to make the whitening process more effective by keeping the gel in contact to the tooth stains. Hydrogen peroxide is use as a active (whitening) agent in the prepared gel.
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