continuous usedental X-ray sensor maintenance Owandyclinical ergonomicspassive cooling design xrayPort-X II calibration serviceimaging qualitydental X-ray sensor common issuesdentin desensitization laser settingsImage Distortionfeature closuremaintenance-first workflowsoftware timeout solutionsscanner performance issuesDGSHAPE Troubleshootingradiographic maintenance support
