Proper chances through protocol

Patient was referred by the prosthodontist for an overall evaluation of previous endodontic treatments. Upon clinical and initial x-ray examination, tooth 2.6 showed an incorrectly adapted crown with a radiographic aspect of incomplete root canal treatment and apical radiolucency. To properly have an endodontic diagnosis and treatment plan a small FOV CBCT was taken. A positive diagnosis of previously treated with asymptomatic apical periodontitis was established and non-surgical retreatment was recommended to which the patient agreed. The protocol was single-visit as follows: Crown disassembly because of improper clinical marginal adaptation with infiltration present. Upon removal, a heavily destroyed tooth structure was noted. All infected dental tissues were removed followed by rubber dam inversion and subgingival PTFE placement to improve sealing.…