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This appliance is a unique way of correcting the side bite of the teeth. In certain situations when an orthodontist feels that your growth is near completion and headgear or a functional appliance is less efficient, a Pendulum appliance can be used. It also eliminates the need to wear a headgear or a functional appliance. This appliance uses the angle at the roof of the mouth as an anchor to move the molars back into their correct bite. A large plastic button touches the roof of the mouth and very resilient wire springs act in a broad swinging arc to move the molars back. If the upper jaw needs to be widened somewhat, an expansion screw is incorporated and is activated by the patient exactly as the doctor instructed. The pendulum appliance is somewhat cumbersome and takes a little getting used to, but it is so beneficial in the overall treatment of many malocclusions. It will be in the mouth for about 3 to 5 months.

After molars are moved back into their proper bite, a permanently cemented retainer (the Nance appliance) is used to anchor the molars against the roof of the mouth. A small plastic button is attached to the molar teeth and is in place for several months while the other side teeth are brought into their correct position.