RESUMEN
The vital steps in any endodontic treatment are thorough mechanical shaping and chemical cleaning followed by obtaining a fluid tight impervious seal by an inert obturating material. For the past two decades, introduction and use of rotary nickel‑titanium (Ni‑Ti) files have changed our concepts of endodontic treatment from conventional to contemporary. They have reported good success rates, but still have many drawbacks. The Self‑Adjusting File (SAF) introduces a new era in endodontics by performing the vital steps of shaping and cleaning simultaneously. The SAF is a hollow file in design that adapts itself three‑dimensionally to the root canal and is a single file system, made up of Ni‑Ti lattice. The case series presented in the paper report the clinical experience, while treating primary endodontic cases with the SAF system in India.