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Use of custom made trays that you can easily get from your dentist.
The best way to whiten your teeth is at a lower concentration of whitening gel & over a longer period of time.
This results in a deeper penetration of the tooth and a more permanent color change.
This is because the higher concentration in-office whitening gels tend to dehydrate the tooth, causes the tendency to return to the original color after about a week. Dehydration is much less likely to happen when you whiten with custom-made trays since the whitening gel isn’t so concentrated.
In-office whitening might have its place, especially when you need to whiten your teeth in a hurry, but if you have the time, custom whitening trays from your dentist are the way to go because they will be the most effective in the long run, as well as the safest way to whiten the teeth.
