Have you been wondering lately if you need to protect the clarity and near invisibility of your ClearCorrect treatment trays? Or, are you under the assumption that they’re quite resistant (if not immune) to staining, so you don’t really worry too much about it? In a nutshell, it’s important to recognize that these trays can, in fact, become discolored. As for the specifics, let’s quickly test your knowledge (and fill your mind up with some helpful facts).