What are other treatments for tooth abscess and fistula besides extraction of the tooth?

Endodontics: Have the tooth evaluated by a root canal specialist, an endodontist.

Root canal.: Endodontic treatment, more commonly known as root canal treatment, can possibly save the tooth.

Endo and Perio: Abscesses are always serious because the infection may spread to other parts of the body. Endodontic and periodontal treatments by a dentist is necessary to resolve the abscess. Good luck.

A few: Root canal therapy and/or periodontal treatment if the tooth is not already hopeless.