Diagnosis

Patient presented with a non-vital pulp and symptomatic apical periodontitis. The preoperative radiograph did not display any atypical findings.

Treatment

Three canals were located and instrumented followed by the Sonendo GentleWave^® procedure to augment cleaning and disinfection. The post- operative radiograph displays an anastomosis between the mesial canals in the apical third of the root and the canals had multiple portals of exit.