Align Technology, Inc. provides Invisalign clear aligners, Vivera retainers, and iTero intraoral scanners and services in the United States, Switzerland, and internationally. The company’s Clear Aligner segment offers Invisalign comprehensive package to treat adults and teens malocclusion and features, and orthodontic needs of teenage or younger patients; and Invisalign First Phase I and Invisalign First Comprehensive Phase 2 package for younger patients between the ages of six and ten years with a mixture of primary/baby and permanent teeth. This segment also provides Invisalign express, Invisalign lite, and Invisalign moderate; Invisalign Go, Invisalign Go express, and Invisalign Go Plus; retention products, Invisalign training, adjusting tools used by dental professionals during treatment, ancillary Invisalign accessory products, and other oral health products; Invisalign Professional Whitening system; Invisalign Palatal Expander, a 3D printed orthodontic device; and 3D printing solutions.