In essence, you situation the upper and reduce trays with your teeth, bite down for the couple seconds, after which you can remove the colored outer tray, abandoning a far more snug-fitting inner tray made up of the whitening gel. This lets you get a snug and comfy suit each https://liquid-gold-dab-cartridge09753.blogdon.net/not-known-facts-about-tooth-whitening-strips-41362965