chairside CAD CAM troubleshootingdental imaging sensor diagnosticscnc spindle maintenancepoor image quality fixGendex sensor repair servicenext-gen sensorsturbine lifespan reductionscanner cart preventive careBelmont sensor downtime fixToronto dental maintenancedimensional accuracy calibrationequipment brandsshade calibrationDEXIS white image repeatultrasonic water pressure issue
