Tooth Retention After Root Canal Treatment With Endomethasone N

Inclusion Criteria: * Patient, male or female, \> 18 years of age at the time of inclusion in the study * Patient who had a non-surgical root canal treatment with Endomethasone N, in a context of an endodontic treatment, or retreatment, before 01-Mar-2016 * Having a documented patient follow-up visit (clinical examination and radiographic examination) at least 5 years after the endodontic treatment or retreatment with Endomethasone N * Patient affiliated or beneficiary of a social security system * Patient informed about the study and who confirm their non-opposition in participating in the study Exclusion Criteria: * History of malignant tumors in the 5 years prior to the root canal treatment * Non-stabilized systemic disease during the month prior to the root canal treatment (diabetes, hypertension, thyroid disorders, etc.) * Patient who developed a systemic pathology after the root canal treatment with Endomethasone N * Patient who had endodontic treatment with Endomethasone N obturation on a wisdom tooth * Patient whose tooth has suspected perforation during endodontic treatment * Patient suffering from active non-stabilized periodontitis, untreated during endodontic treatment * Patients participating in an interventional clinical trial at the time of root canal treatment