Comparing health insurance to dental insurance can be a little like comparing apples to oranges. Sure, they’re both fruit, but the similarities pretty much end there. If you’ve ever wondered why these plans are so different from each other, here are a few key reasons.

One of the main reasons you are likely to choose ClearCorrect aligners is because they’re clear, and thus harder for people to detect that you’re wearing them. But what happens if during treatment they start to become discolored? After all, even a slight change in tint can make your teeth look dirty or stained.

Here’s what could be causing your aligners to get dull, and what you can do to prevent it.