Invisalign is **t for the faint of heart. It will challenge your commitment, stamina, and self-confidence. It takes what feels like a bazillion years to complete. It has a million an**ying components . . . and yet, it does offer one huge payoff: perfectly straight teeth. Those With Invisalign will agree that these 15 Problems come up on the regular during your treatment. And you k**w what makes suffering through something a tad bit better? K**wing you're **t alone.