What the best over the counter tooth whitening gel?”
Whitening strip teeth bleaching products were first introduced to the over-the-counter marketplace with the debut of Crest Whitestrips ®. Whitening strips offer a means by which the teeth whitening process can be performed without the use of a rigid bleaching tray. The peroxide-based chemistry involved with the use of whitening strips is essentially the same as that employed by tray teeth whitening systems, but the whitener is held in contact with the tooth surface via the use of an adhesive plastic strip rather than by a tray. Many of the over-the-counter teeth whitening kits available are “tray” whitening systems. These products come with a stock bleaching tray that the end-user customizes so it fits over their teeth. The tray is then filled with a carbamide peroxide teeth whitening gel and subsequently worn for that treatment time recommended by the product’s instructions. Treatments are continued, per the product’s instructions, over a period of days to weeks as the whitening effec
