Such as Essix Plus, Essix Ace, Essix C+, Invisacryl A. Data on File at Align Technology as of January 13, 2022
Durability is defined as the ability to withstand cracking and breakage of the retainer. Strength is verified by retention force, the ability of the retainer to provide sufficient corrective mechanical loads to retain teeth in their defined positions. Based on the verification testing conducted on upper and lower typodont arches, force system is evaluated upon tooth movements: buccal/lingual, inclination, and rotation. Vivera retainers are not cleared for the treatment of bruxism. Data on File at Align Technology, as of May 08, 2023.
