RCT is one name that gives many patients shivers when told about it. However, in reality, it is not that bad. Infact, it is an instant pain reliever and the best treatment to retain the original teeth. A Root canal treated tooth serves its purpose and function just as a healthy tooth. A root canal is a capillary, which runs from the base of the root of the tooth to the middle of the crown (the visible part of the tooth).