Invisalign is a method of orthodontic dental treatment in which a series of clear, removable teeth aligners are used as an alternative to the traditional metal braces. Invisalign is designed, marketed and manufactured by Align Technology Inc. based at Santa Clara . It uses a series of custom made aligners made only for you . These aligners are made of comfortable, smooth and invisible plastics. After wearing the aligners they will gradually and gently shift your teeth into right place.