Gum sensitivity and teeth that become fragile or brittle may also be signs of trouble. Roots of some teeth reach the sinus cavity. In some instances, a root canal treatment can cause inflammation of the surrounding sinus cavities resulting to congestion. Most often this complication subsides after a few weeks.
One is the inner seal called the gutta percha. A root canal fails when a tooth that has been previously treated with a root canal procedure becomes infected at the root.
If this infection is allowed to continue to develop without proper treatment, the infection can potentially spread to other teeth in the area or cause illness in other parts of the body. A: Root canal gone bad. Your first optiion is to redo the root canal , second option do an apicoectomy on the involved root (if possible), third option would be to extract the tooth and have it replaced with an implant, fourth option is extraction and a permanent bridge. Inflamed areas in your gums.
Altered sense of taste. Mouth ulcer which doesn’t heal. A severe infection can result in a tooth extraction procedure which will later require more oral surgery with the placement of a dental implant or dental bridge.