stabilitydental imaging overheating caseacquisition unit power stabilityscanhead failureequipment durability optimisationPlanScan focusKerr Apex ID repairdental X-ray sensor intermittent whitehigh speed Midwest repairHamamatsu sensor repairCAD/CAM Machine Repairdental scanner downtimeCarestream scanner maintenanceminimize dental downtimeflux density
