Regulations and risk mitigation
In the US, the FDA classifies customer-specific milling as the manufacture of a Class II medical device. Labs milling custom implant abutments with CAD/CAM technology must
either
commission a validated milling center (VMS) with a listing of the facility and devices, and implement a Quality Management System
or
use products with a 510(k) pre-market clearance and registration with a validated digital workflow.