Endodontic Retreatment of 4.6 with Acute Apical Abcess

The patient came in the office from the emergency service presenting pain and swelling on lower right side. The OPG radiography showed a large radio-transparency lesion under tooth 4.6 and it was previously treated. Axial percussion was positive and the distal canal had been accessed in order to promote puss drainage. Diagnosis - 4.6 - Previously Treated Tooth with Acute Apical Abcess Recommended therapy - Endodontic Retreatment and Coronal Restoration After removing the old restoration and decayed tissue, I performed deep margin elevation and restored the missing walls. In order to remove gutta-percha from the canals I used rotary instrumentation on the coronal and middle part of the roots and in the apical region manual C-files helped me reach the…