If gums whiten or sting, eliminate gel, rinse
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If gums whiten or sting, get rid of gel, rinse, and apply vitamin E oil; minimize gel volume next time and make sure trays aren't impinging on soft tissues.
If gums whiten or sting, get rid of gel, rinse, and apply vitamin E oil; minimize gel volume next time and make sure trays aren't impinging on soft tissues.