The post and core complex can be placed only after the endodontic treatment has been successfully completed. It must be securely in place before the crown preparation can start. If the endodontic procedure is not successful or not yet comfortable for the patient, it does not make sense to seal the endodontic access opening with a post and core that obstructs further endodontic intervention. Typically the practitioner should wait until all sensitivity has dissipated and the patient is comfortable enough to proceed with the post and core procedure without any need for local anesthesia. Should problems develop after the post has been placed, the bonded post is rather difficult to remove, and the tooth might require an apical endodontic procedure, or apicoectomy, directly through the buccal or lingual; this approach is certainly an option but a secondary one at best.