3-D printing 1 3D modeling 1 3D printers 1 Anesthesiology 1 Computer aided design 1 Computerized tomography 1 Cone-beam computed tomography 1 Digital Imaging and Communications in Medicine (DICOM) 1 Feedback 1 Inferior alveolar nerves Internet of Things (IOT) 1 Internet of things 1 Real-time data 1 Robotics 1 Sensing mechanism 1 User interfaces 1 Validation results 1