Orthograde retreatment of LR7

To allow for proper shaping and disinfection of the endodontic system, a very important preliminary step is the complete removal of defective restorations together with carious tissue and any plaque or calculus deposits from the tooth before initiating the actual endodontic treatment. The success of endodontic therapy largely depends on this preliminary step. In this case, the patient presented with a mandibular second molar that had undergone endodontic treatment 6 months earlier and exhibited an asymptomatic apical periodontitis. Due to the poor quality of the previous endodontic treatment and restoration, as well as the diagnosis established following clinical and radiological examination during the consultation, I decided to perform an orthograde endodontic retreatment of tooth 4.7. I initiated the treatment by…