What kinds of orthodontic appliances are typically used to reduce the severity of jaw-growth problems?

A process of dentofacial orthopedics (guiding the growth of the face and jaws) with orthodontic appliances may be used to correct jaw-growth problems. The decision about when and which appliances to use for this type of correction is based on each individual patient's problem. Some of the more common orthopedic appliances include: Headgear: This appliance applies pressure to the upper teeth and upper jaw to guide the direction of upper jaw growth and tooth eruption. The headgear may be removed by the patient and is usually worn 10 to 12 hours per day. Fixed functional appliance: The appliance is usually fixed (glued) to the upper and lower molar teeth and may not be removed by the patient. By holding the lower jaw forward, it reduces the protrusion of the teeth while the patient is growing and helps bring the teeth together. The appliance can help correct severe protrusion of the upper teeth. Removable functional appliance: This removable appliance holds the lower jaw forward and ...  more