Retainers after braces are the invisible heroes that keep your teeth from shifting back. Once the braces come off, your teeth are still settling into their new positions, and retainers—whether clear plastic or fixed wires—hold the line. You wear them full-time at first, then often just at night, but skipping them can undo months of treatment. It's not forever, but it's a commitment to that straight smile you worked for. retainers after braces 8