The antonyms for the word "Dental Implantation Endosseous Endodontic" are terms that are not related to dental implantation, endosseous, or endodontic procedures. Some of the antonyms for dental implantation may include tooth extraction, dentures, or bridges. On the other hand, antonyms for endosseous might include "periosteal," which refers to implantation of a device outside the bone, or "epiosteal," which refers to implantation on top of the bone. Furthermore, antonyms for endodontic may include extractions, as well as root canal alternatives such as crack repair, pulp capping, pulpotomy, and partial pulpotomy. These terms represent a different approach to dental care without the need for implantation or endodontic interventions.