Formlabs already has a substantial business selling 3D printers and resins to dental customers, who use our products for a wide spectrum of applications, from convenient in-office production of splints to sophisticated lab-based orthodontics. Lasers, optics, precision motion, thermals, airflow, materials handling, chemistry, sensing, controls, and software all have to work at micron-scale precision, for thousands of layers, with almost no tolerance for error.