Successful endodontic treatment relies upon a thorough knowledge of root canal anatomical variations along with proper diagnosis, treatment planning, and clinical expertise. One of the difficult root canal configurations that are frequently encountered commonly in mandibular second molars is C-shaped root canal. Due to the intricate root canal configuration, it is often difficult to negotiate, debride, and obturate such canals leading to failure of root canal treatment. Understanding the anatomical variation and adequate visualization will enable the clinician to manage these cases effectively. Advanced irrigation and obturation techniques help in managing such anomalous canal configurations. This article presents the management of two different C-shaped root canal configurations under dental operating microscope using thermoplasticized obturation techniques.
Keywords: C-shaped canal; dental operating microscope; mineral trioxide aggregate; thermoplasticized obturation; ultrasonic irrigation; ultrasonic tip.
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