lab equipment caredental laser power managementradiation exposure reductiondynamic measurement apex locatorMyRay Zen-X repairrvg cable repairsensor sterilization damagesurface banding resinRVG 6200 intermittent detectionOD verificationendodontic handpiece safetyytterbium fiber laser failureautomatic height adjustmentPlanmeca ProSensor HDdental software license issues
