Apical Surgery

Apical surgery includes apical curettage, apectomy, and apapical filling.
The main purpose of above surgeries is to clean and remove some tissue around apical area.
During surgery, remove infected tissue and remove the roots which could possibly hide some viruses in deep inside. And after that is filling up at the position of removing roots, and also filling up all the area which could be infected. It will help prevent happening again.