I would be remiss not to offer some information about root canals. It is important to know that this type of dental treatment can lead to osteonecrosis of the jaw, like the incomplete removal of wisdom teeth does.

The issue both dental treatments have in common is that dead bone is being left behind. The body naturally is going to attempt to decompose it. When you remove the nerves inside the teeth, you kill the tooth. At that point, the benefit of keeping it is quite debatable as to what risk profile and cost you wish to accept.

(Need to add link for the movie: Root Cause)