Endodontic surgery is a surgical procedure that consists of filling the root of a tooth from the top of the root, i.e. not from above but from below. This consists of removing the root apex and filling the root (retrograde filling).

Is endodontic surgery necessary? It may be necessary in 2 cases: when the tooth has already been devitalized but continues to hurt; when it is not possible to do endodontic treatment, because for example it is covered by protected work;