Ecodont® Retainers are orthodontic appliances, made from BPA-free material, under TrioClear®. Ecodont® Retainers are doctor-prescribed, custom manufactured, clear plastic removable orthodontic appliances that you will wear after getting your teeth straightened, whether with TrioClear® treatment, traditional braces, or other conventional aligners. Regardless of how your teeth were aligned, Ecodont® Retainers are built to retain your smile shine and straight from now and to the future.