dental equipment storageDentalCAD issuessensor button mechanismresin surface issuesRoland DWX-52DC troubleshootingendodontic device serviceclinic equipment downtime reductionI-Root 100 apex locator repairvertical linesapex locator signal stabilitySirona connection failure signintraoral scanner supportOwandy X-ray error guidexy shrinkageequipment performance restoration
