Note to self: When using a teeth bleaching agent that is 35% hydrogen peroxide, do not wear the trays overnight, two nights in a row and then attempt a third bleaching the morning after. The purpose is not to bleach one's gums.
Remember to RTFI, for then you would know that the recommend time is only 30 minutes, once a day, for three days.
The goal is not to be able to use your teeth, a magnifying glass, and some twigs to start a fire in the in the chiminea come spring time.
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