Coronal Disassembling

The non-surgical root canal root canal retreatment represents a real challenge for every endodontist. The indications for this type of therapy are varied, but almost all associated with the presence of chronic apical periodontitis affecting one or more roots of a previously treated dental element, which leads to the failure of the therapy. The most common possible cause of failure was perceived leakage around the canal filling material, followed by a missing canal, underfilling, anatomical complexity, overfilling, iatrogenic problems. As seen in Mohammed Mashyakhy's article published in the International Journal of Dentistry in 2021 (Prevalence of Missed Canals and Their Association with Apical Periodontitis in Posterior Endodontically Treated Teeth: A CBCT Study) the prevalence of chronic apical lesions in teeth…