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Three questions about the management of complex root canal anatomy

A mandibular second molar before and after shaping with the MG3 NiTi file system. (Image: Dr Sergio Rosler)

Mon. 30. March 2020


Dr Sergio Rosler is a leading practitioner in the field of endodontics. On Wednesday, 8 April, he will be presenting a webinar that focuses on the management of complex endodontic anatomy using NiTi files made by the Chinese company Shenzhen Perfect Medical Instruments. Prior to the online lecture, Rosler spoke to Dental Tribune International about the details of his upcoming webinar.

Dr Rosler, what would you say are the greatest challenges in the management of complex endodontic anatomy, and what are the reasons for these challenges?
After establishing the correct diagnosis of a clinical case, the most challenging aspects of root canal therapy are those concerning the location of all the canal orifices and the initial negotiation to the working length of the identified canals. This is because the location and the initial negotiation to the working length of the canals can be modified by several clinical aspects or variables, like carious lesions, trauma, bruxism, periodontal disease and previous treatments. I must add that the same tooth, for example a maxillary molar, can have different morphological configurations and that that fact will be reflected in where the canal orifices can be found in the pulp chamber floor.

Cleared sample shows the complexity of a maxillary second molar with fused roots. (Image: Dr Sergio Rosler)

Why do you prefer to use the NiTi files by Shenzhen Perfect Medical Instruments in your treatments?
The T-Pro and MG3 NiTi files from PERFECT are actually the systems I use to mechanically prepare the canals after the location and initial negotiation with stainless-steel hand files. These systems provide me with safety, excellent cutting ability and predictability in shaping the main canals in order to create the space needed for the irrigation solutions used to disinfect the root canal system.

What are the three main learning objectives for the viewers who will be watching your webinar?
After my online lecture, participants will appreciate the importance of the anatomy of the root canal system in modern endodontics. They will understand how anatomical variations can influence the clinician’s instrumentation and disinfection protocols, and they will have insight into the properties and specifications of T-Pro and MG3 NiTi file systems by PERFECT.


The maxillary lateral incisor apical curvature is respected after applying the shaping protocol with the T-Pro NiTi file system. (Image: Dr Sergio Rosler)

The 1-hour webinar, titled “Management of complex endodontic anatomy using PERFECT NiTi files”, will be presented live on Wednesday, 8 April, at 2 p.m. EDT. Participants will have the opportunity to ask questions about the topic as well as earn a continuing education credit by answering a questionnaire after the lecture. Registration on the Dental Tribune Study Club website is free of charge.

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