Do my teeth need to be dry before doing the treatment? June 07, 2023 13:30 Updated Yes, after brushing your teeth, dry them with a paper towel or tissue. Related articles Do I apply the pen on the tray or on my teeth? How do I ensure proper fit? Can I eat after whitening my teeth? How do I turn the device on/off? Will the treatment cause tooth sensitivity? Comments 0 comments Article is closed for comments.
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