When a tooth is very damaged from cavities or other problems such as infection or trauma, it is sometimes necessary to remove the root of the tooth.
The benefits of this treatment are:

1. It could cause serious damage if left in the mouth.
2. It is more economic then to put in prosthesis later.
3. It is less traumatic then having to remove the tooth.

In many cases, endodontist forms the part of the orthodontist’s treatment like an alternative to dental rehab.