Why Doesn’t My Invisalign Aligner Fit?

One of the nice things about Invisalign aligners when compared to traditional braces is that most patients find them to be significantly more comfortable to wear. They’re sleek and sit flush with the teeth, meaning that you don’t typically have to deal with your oral appliance rubbing against the lips or cheeks.

However, it’s possible that you might feel like your Invisalign trays don’t really fit, especially when you first get them. Here’s why that may be, and what you ought to do about it.