I am picking up trays and the whitening from my dentist next week to do at home. I need to put in the trays 3 hours a day for 3 weeks. Did someone ever do this? Can I open my mouth when the trays are in or do I have to have my mouth shut and not move for 3 hours? I have sinusitis so my nose is really congested. I'm wondering how will I breathe if I can't open my mouth?
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You can open and close your mouth and go about your business at home. You just can't eat or drink while they trays are in because you don't want to swallow the whitening products or wash them out of the tray. Hope that helps. =)
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