A root canal is required primarily when a cavity has spread deep into the tooth or if the tooth is broken near the nerve. During a root canal, the nerve of the tooth is removed, and the inside of the tooth is cleaned out. The nerve space will then be filled up, and the tooth will be sealed. Following a root canal, your tooth may require a crown depending on how much of its structure was affected.
If you are experiencing any of the signs below, it is important to see a dentist as soon as possible. When left untreated, large tooth fractures and dental decay can cause infections, which may progress to an abscess.
Sensitivity to hot/cold/sweet that lingers
Pain with chewing
Swelling of gum at base of the tooth
Darkening of tooth