A removable retainer is pretty easy to care for: just rinse it in running water after meals and periodically cleaned with a toothbrush.
Fixed retainers are a special wire, which is attached to the rear surface of the teeth with special glue, by means of which the teeth were previously attached brackets.
Addictive to fixed retainer comes pretty quickly.
Special care non-removable retainer is not required. Just need instead of regular floss to use superfloss who cleaned gaps between the teeth in the period of wearing braces.
Once our orthodontist, with the help of retainers, reliably detects new, correct position of teeth, beautiful smile You provided for many years.