Enlighten's Deep Bleach Protocol claims to whiten any patients' teeth to B1 and beyond, irrelevant of the starting shade. The key difference is that very low concentration gels can be used due to the system's ability to increase the tooth's permeability and go deeper in. The system achieves this without the need for whitening lamps, high concentration gels or gingival protection. Enlighten claim that tetracycline stained teeth can be whitened predictably for the first time using their new super sealed whitening trays followed by a simple in-office procedure.

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