Root canal. There are different ways a root canal can be performed. Root canal can be started different ways depending on the problem. There can be three situations when a root canal is needed and can be done according to the problem. A tooth could be injured, but without a filling. The pulp (the area around the top of the root), and the root died, over the years abscess on the apex (the very bottom …showed first 75 words of 1039 total…

…showed last 75 words of 1039 total…and cord out of metal. This is done very rarely says dental assistant Lesya Didovets from Eastman Dental Center. Root canal technical procedure for case #3 (Irritated nerve because of an old and deep filling) starts out just like in Procedure #1. After the canal is cleaned for the last time a permanent filling isn't put in. Instead of a permanent filling a tooth structure is build up using post and cord procedure as described in Procedure #3.