by Dr. Rooz Khosravi Dr. Rooz Khosravi is a clinical assistant professor at the University of Washington and speaks on implementation of in-offi ce aligner systems and 3D printing. Khosravi also established the Seattle Digital Dental Hub, a study club that offers educational resources in digital dentistry. In addition to private practice and academic life, he is an orthodontist-scientist consultant at uLab Systems, SprintRay and Bay Materials. In these capacities, he assists with accelerating the development of advanced software and materials for digital orthodontics. PART 1 FIT TO PRINT The 'right' 3D printer and processes for an in-offi ce aligner system will vary according to each practice's particular goals and needs A dvances in desktop 3D printing, the introduction of digital software packages designed to help move teeth and the availability of various thermoforming plastic fi lms have all contributed to an era in which orthodontic practices are able to adopt in-house protocols to create their own clear aligners. This trend mirrors what's happening in the dental industry, where practices that have opted into digital dentistry are manufacturing appliances such as surgical guides and crown and bridge models in-offi ce. 50 APRIL 2022 // dentaltown.com PHOTOGRAPH: PATRICK HEAGNEYhttp://www.dentaltown.com