ORTHODONTIC ALIGNERS, METHODS OF USING SUCH ALIGNERS, AND ADDITIVE MANUFACTURING METHODS AND APPARATUS FOR MAKING AND USING SUCH ALIGNERS

摘要

A system for repositioning teeth comprises a plurality of individual appliances. The appliances are configured to be placed successively on the patient's teeth and to incrementally reposition the teeth from an initial tooth arrangement, through a plurality of intermediate tooth arrangements, and to a final tooth arrangement. The appliances comprise at least 200 layers.