
In this episode, Dr. Samuel Johnson discusses the differences between rotary and reciprocating endodontic files.
Rotary or reciprocating files — which should you actually be using? Is one safer than the other? Does reciprocation really reduce file separation? Are you choosing your system because it suits the canal anatomy, or because it is simply the one you were taught? Endodontic file systems can feel like a maze of brands, tapers, alloys, motions and marketing claims. But beneath all that noise, the real question is much more practical: what is your file doing inside the canal, and what compromise are you accepting? In this episode, Dr Samuel Johnson returns to unpack the Endo Showdown: rotary versus reciprocating files. We cover file motion, glide paths, shaping philosophy, NiTi metallurgy, cyclic fatigue, torsional fatigue, and why no system is perfect. https://youtu.be/HfWDBbNgjsA Watch PDP270 on YouTube Protrusive Dental Pearl A palliative root canal can be useful for an unrestorable tooth if disinfecting the canal allows infection to heal and natural bone to recover before extraction and future implant planning. ⚠️ Do not dismiss root canal treatment purely because the tooth is not a long-term functional restoration. ✅ Where appropriate, consider whether endodontic disinfection…
Host: Jaz Gulati
Guest: Samuel Johnson
Products: Rotary files, Reciprocating files, NiTi metallurgy
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