The Influence of the Timing of Definitive Restoration Placement After Root Canal Completion: A 22-year Retrospective Study
Shikha Gupta
Objective: To evaluate how the time interval between root canal obturation and the placement of a definitive restoration impacts the incidence of tooth failure, defined as non-surgical retreatment, apical surgery, or extraction. Methods: This 22-year-retrospective cohort study utilized electronic health records from the Marquette University School of Dentistry (MUSoD) axiUm database, analyzing 11,002 teeth treated between 2004 and 2026. Inclusion criteria required patients to be at least 18 year