SP-36 Newer / Old Technique for Preventing File Separation; Is Slow-down Rotary Instrumentation the Key?

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CE Hours: 0.75

Description: File separation remains a persistent and frustrating challenge in root canal preparation. Despite the abundance of literature offering tips and techniques to minimize this risk-and even more articles and devices focused on retrieval of separated files-the problem continues to be prevalent. Studies report a 2-6% incidence of file separation in overall endodontic cases, with 80-83% occurring in molar teeth, where canals are tighter and more curved-the daily battleground of the endodontist. This presentation explores solutions: What truly can reduce file separation?
Is it RPMs settings? Torque settings? File design or cross-section? File control and directional movement? File metallurgy? Operator technique error? Or perhaps the steep learning curve for mastering rotary instrumentation? We'll explore these questions through a review of current literature, clinical experience, and a candid discussion of what may be the "Elephant in the Room" of endodontics.

Learning Objectives:  

  • Identify pre-operative and initial canal management steps to evaluate and assess the risk of file separation.
  • Evaluate the techniques and devices that can be utilized to reduce or prevent file separation.
  • Describe how the application of "Slow-Down Rotary Instrumentation" in difficult and challenging cases can reduce the rate of motor file separation without compromising root canal preparation ideals.
This content will not be available until 07/01/2026 at 12:00 AM (CDT)