Mohammed Alaref on Instagram: "(The Modified Tube Technique) for broken #files uses a specialized micro-cannula (like a modified #needle or kit extractor) that fits over the visible part of the #fractured file, often with added adhesive (like cyanoacrylate or #composite) or a mechanical wedge, to create a strong grip for retrieval, often combined with #ultrasonics to loosen the file, preserving tooth structure while #removing the fragment. It's a popular, successful method that improves on tradi