Not every tooth that has root canal treatment automatically needs a full crown. The final restoration depends on how much healthy tooth structure remains, which tooth was treated, whether the cusps are intact, whether a crack is present, how strong the bite forces are and whether the tooth can be restored predictably. Back teeth, especially molars…

Mild soreness or tenderness can occur after root canal treatment, particularly when the tooth and surrounding tissues were inflamed or painful before the procedure. Symptoms should generally move towards improvement rather than become progressively worse. Post-treatment pain does not automatically mean that the root canal has failed. The tissues around the root remain living and can…

Root canal retreatment is the endodontic re-treatment of a tooth that has already had root canal therapy but continues to have disease or develops a new problem later. When nonsurgical retreatment is appropriate, the previous root-filling material is removed, the canal system is reassessed, cleaned and disinfected again, and the tooth is resealed. New pain in…