An orthodontic chin cup is an extra oral appliance outside of the mouth that is used to help reduce or correct mandibular prognathism in adolescents. A chin cup is attached to elastic bands that usually fit over the crown of the head and put a moderate force on the lower jaw to help restrict its growth. Pack Contains: - x1 Headgear. - x1 Chin Cap. **For further product information, please contact Chat Support**