0.94 CME

الملفات التشريحية لتشكيل القنوات – أسطورة أم حقيقة!

المتحدث: الدكتور أنوج بهاردواج

Professor & Head, College of Dental Sciences & Hospital, Indore

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وصف

Anatomical files play a crucial role in three-dimensional shaping of root canals during endodontic procedures. Advances in endodontic instruments allow for intricate shaping, respecting the natural anatomy of root canal systems. Three-dimensional shaping minimizes the risk of procedural errors, ensuring thorough cleaning and obturation of the canal. Anatomical shaping facilitates optimal cleaning of complex canal systems, reducing the likelihood of Real-time imaging and advanced instrumentation contribute to the practicality of achieving three-dimensional shaping in clinical settings. Flexible files with varying tapers adapt to the curvature of the canal, enhancing precision during shaping. Three-dimensional shaping supports a patient-centric approach, promoting long-term success in endodontic treatments.

Cone-beam computed tomography (CBCT) and digital imaging aid in assessing and achieving accurate anatomical shaping. Training in the use of anatomical files ensures practitioners can navigate and shape root canals effectively.

ملخص

  • The lecture discusses the reality versus myth of 3D shaping of root canals using anatomical files, emphasizing that simply achieving "3D white lines" on radiographs is insufficient. The speaker notes that while marketing promotes file systems promising specific results, clinicians must critically evaluate their suitability for each case. It is imperative to understand what will work in the doctor's favor rather than what is promised.
  • The speaker highlights that most rotary file systems, due to their core design, tend to create round shapes, which may not be ideal for the commonly occurring oval or ribbon-shaped canals. The physics of instrumenting dictates that files follow the path of least resistance, leaving significant portions of the canal walls untouched and unprepared, packing debris in these areas.
  • The lecture stresses that while eliminating all microorganisms from the root canal is impossible, the chemomechanical objective is to remove as much diseased tissue as possible, reduce bacterial population, and modify their habitat. Root canal success depends on reducing the microbial load below a certain threshold, which varies among individuals.
  • Research comparing different file systems, including rotary, reciprocating, and self-adjusting files, reveals that none of them can entirely shape oval canals. While self-adjusting files, with continuous irrigation and scraping action, show promising results, they require specialized armamentarium and extensive learning.
  • The speaker emphasizes a paradigm shift: the canal shape should guide file selection and usage, not the other way around. Files should be used to respect and adapt to the natural anatomy. The lecturer advocates for a more complete vision on cleaning and shaping and also opturation strategies and materials. The key is to control the apical width after shaping.

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