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

20130323665 A1
United States Patent Application 20130323665 A1 · Filed: 06/05/2012 · Published: 12/05/2013
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.

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