transducer failurehygiene workflow efficiencyUltradent endodontic device repairSuniRay2 Digital X-Ray Sensorcontra-angleslinear motion guideSirona intraoral common failuresGendex sensor preventive maintenancedental X‑ray sensor cleaningRVG 6200 cable replacementlicense activation issueswireless vs wired sensorsmesh reconstruction errorsoptical misalignment dentistrysubgingival capture
