Case Sharing Upper Molar Saved with Super Flexi Files! Dr. @nebrasaldahash performed a root canal on an upper first molar with symptomatic irreversible pulpitis using Rogin Super Flexi Files! Thanks to its unmatched flexibility and non-cutting tip, the file safely navigated the complex anatomy under microscopy. Shaping was efficient with the square cross-section, followed by ultrasonic irrigation and hot modified obturation. Precision. Safety. PerformanceโThatโs Super Flexi Files.