Underbite Face Mask : The Face mask appliance is used to protract or pull the upper jaw forward and correct the skeletal imbalance of the jaws.Face mask will attach with rubber bands to the palatal expander.The device fits to the forehead and chin and connect to an appliance inside of the mouth with elastic bands.Contact us today by calling (786) 540-1919 to book an appointment and Please bring your face mask with you to every appointment!