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Evaluating Outcomes and Prognostic Factors in Endodontic Microsurgery: A Retrospective Cohort Study
C Sperou1, A Tepperman1, A Ben Suleiman1
1Faculty of Dentistry, University of Toronto, Toronto, Ontario, Canada.
Journal of Endodontics
|June 15, 2025
Summary
Endodontic microsurgery (EMS) shows high success rates for radiographic periapical healing (82.8%) and survival (86.6%). Key factors for better outcomes include absence of periodontal issues and deeper root-end fillings.
Area of Science:
- Endodontics
- Oral Surgery
- Dental Research
Background:
- Evidence-based endodontics relies on outcome studies.
- Endodontic microsurgery (EMS) is a specialized dental procedure.
- Evaluating EMS success is crucial for clinical decision-making.
Purpose of the Study:
- To assess radiographic periapical healing rates after EMS.
- To determine survival rates of teeth undergoing EMS.
- To identify prognostic factors influencing EMS outcomes.
Main Methods:
- Retrospective review of dental records for EMS cases (1999-2021).
- Analysis of radiographic periapical healing and survival to reintervention.
- Logistic and Cox regression used to identify prognostic factors.
Main Results:
- 82.8% radiographic periapical healing rate observed.
- Factors associated with healing: no periodontal involvement and root-end filling >2 mm.
- 86.6% survival without reintervention; risk factors for intervention include younger age and shallower fillings.
Conclusions:
- Endodontic microsurgery demonstrates high rates of radiographic periapical healing and survival.
- Prognostic factors influencing EMS success have been identified.
- Further research is needed to confirm these findings.
Keywords:
Apical periodontitiscohort studyendodontic microsurgeryradiographic periapical healingsurvivaltreatment outcome
