
Because this system needs to work FAST, you can t get very good results with low concentrations of peroxide. Most of the brush-on whitening systems use 21% concentration of peroxide which is too low to provide effective whitening using a brush-on system.
For optimum, brush-on whitening, in a short period of time, a peroxide concentration of at least 30% should be used.

Mouth Trays and Whitening Gels - Up until a few years ago, teeth bleaching was a fairly complex process and had to be done at a dentist s office. The hard part was making those custom-fitted mouth trays for each patient.

For this reason alone, at-home teeth whitening with mouth trays was not an option. However, most dentists agree that mouth trays with whitening gels still provide the best tooth whitening.
If only there was a simpler way to get custom fitted mouth trays&hellipwell, now there is.
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