Orthodontic terms starting with R

Retainer – A thin wire behind the front teeth or a thin tray. It holds the result once the brace is off. Retention Relapse

Retention – The phase after the actual treatment in which the result is secured. It lasts years, not months. Retainer Relapse

Relapse – A setback: the teeth drift back into their old position. The most common reason is a retainer given up too early. Retainer Retention

Distal bite – The lower jaw is set back, and the upper front teeth protrude far forward. Overjet Herbst appliance Activator