When you get an orthodontic treatment like braces or Invisalign, you’re making a long-term investment in your health, appearance, and confidence. You can enjoy a beautifully straightened smile for the rest of your life, but only if you make the effort to maintain your results properly! Most patients will need to wear a retainer for the rest of their lives to keep their teeth in the correct positions. Unfortunately, retainers don’t last forever. Here are the top five signs that it’s time to replace your retainer to keep your smile straight and healthy.