Is tray-and-gel teeth whitening effective?

While tray-and-gels can be very effective on my tougher-stained patients as a 3-4-day in-office procedure follow-up, for the majority of typical staining cases, I do not consider them to be the most effective treatment. Overuse of the system is a big temptation, and even when used appropriately, sensitivity problems are frequent. Furthermore, there is no one to monitor usage.

With all of the advancements in whitening, there are other safer and equally effective options.

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