The development of the robot belongs to the Boston-based company Perceptive Technologies. The procedure was about 8 times faster than a human dentist could do it. The robot uses a handheld volumetric scanner to create a detailed 3D model of the mouth, including the gums, teeth and nerves beneath their surface. The optical coherence tomography method eliminates harmful X-rays, as only light rays are used to build the volumetric models. At the same time, the accuracy of automatic cavity detection reaches about 90%. At the initial stage, the dentist and the patient can discuss the necessary steps, but once the decisions have been made, the robot takes over. The first task of the machine was to prepare the tooth for the crown. A procedure that normally takes 2 hours and requires 2 visits to the dentist, the robot performed in just 15 minutes. Despite possible concerns, according to the authors of the project, high-precision robotic surgery is actively developing and becoming more and more relevant.