3DISC Intraoral Scanner Repairytterbium fiber laser failureCAD license validationdental X-ray panoramic cephalometricDEXIS intraoral error checksrepair cost escalationturbine replacement Ontariodental scanner workflowdental restoration precisionDental Milling Machine Maintenancesurface preparationcable connection repairsensor LED indicatorsDEXIS no image capturedental imaging calibration guide
