DEXIS hardware fixVatech overheating troubleshootingrefurbished dexis sensorultrasonic scaler tipscleaning protocoldenture base mechanicsmachine safety3D imaging accuracyPlanmeca X-ray precision calibrationEEPROM error dental sensorSybronEndodental scanner OS optimizationprocedural safetyendodontic workflow optimizationStraumann scanner controls
