The plus sign on Invisalign indicates or means over correction. The plus sign Invisalign tray is an overcorrection tray worn when your teeth have not moved properly after using all the Invisalign trays in your teeth straightening process. In addition, depending upon your treatment and well your teeth have moved, you may not need to wear an overcorrection tray afterward. The plus sign Invisalign correction tray is necessary to wear after your treatment to give your teeth a proper push which couldn’t happen at the time of the treatment for some reason.

Overcorrection Invisalign aligners are also called refinement aligners. The overcorrection aligners are designed to adjust to your specific teeth needs in your mouth sets into a perfect position. Patients often wonder why they must wear a plus one or overcorrect aligners after their Invisalign treatment. It is because sometimes your teeth tend to move back to their original position even after the teeth straightening treatment. Overcorrection aligners ensure that your teeth are in a better position or alignment if they begin to get to their original place.

Plus, sign aligners or overcorrection aligners help to give you a straight and beautiful smile. However, unlike the retainers, the plus sign aligners are not meant to hold your teeth in the proper place after the Invisalign treatment. Overcorrection aligners are intended to give your troublesome or rigid teeth a perfect position or placement when they are not properly aligned and cause dental relapse. However, dental deterioration after the teeth straightening treatment is normal, and it can happen to anyone. But following your dentist’s advice can help you manage the relapse easily.

How does plus sign or overcorrection aligners work?