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Background:  Endodontic treatment is a major challenge when the root canals are partially obliterated. This can occur as a result of multiple causes that stimulate pulp canal obliteration (PCO) such as physiological processes, caries, extensive restorations, coronal wear or dental trauma. Case description:  Static-guided endodontic techniques have been reported as helpful in such cases, however, the interocclusal space required for the use of templates may contraindicate the use of this technique in posterior teeth. Dynamic navigation permits the trajectory of the instruments to be tracked in real time, allowing computer-guided endodontic accesses to be executed without the need for templates that may require wider interocclusal space, which can be beneficial for the treatment of posterior teeth. Practical implications:  This article reports a case in which the distobuccal canal of a maxillary second molar, which was obliterated up to the middle third of the root, was precisely and conservatively located with dynamic navigation.

The Role of CBCT and Guided Endodontics in Accessing a Calcified Maxillary Molar Using Computer-Assisted Dynamic Navigation: A Case Report