Permanent retainers are usually added on at the end of treatment, on top of the comprehensive orthodontic fee. “They can range from $350 to $1,000, depending on if they’re made by a company that will ...

Clear retainers are supposed to keep your smile in place—but they also collect bacteria, plaque, odor, mineral buildup, and whatever you ate for lunch if you’re not careful. Most people rinse them ...