1. Yim, M. Y., 2021, viewed 17 July 2023, Healthcoach, To Save and Preserve as much as Possible ‘Natural Teeth’ that Cannot be Replaced, Healtip, ..
2. Advancing Nitinol: From heat treatment to surface functionalization for nickel–titanium (NiTi) instruments in endodontics
3. Beachside Complete Dental Care, 2020, viewed 7 March 2023, Anatomy of Teeth, ..
4. Lee, I. H., 2012, viewed 18 July 2023, Clinical Insight, Irrigation, Emerging as the Key to Success in Root Canal Treatment, DenfoLine, ..
5. Effects of canal enlargement and irrigation needle depth on the cleaning of the root canal system at 3 mm from the apex