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Associated Topics

Coronectomy is an effective strategy for treating impacted third molars in close proximity to the inferior alveolar nerve

Stacy Geisler DDS, PhD .


Systematic Review Conclusion

Coronectomy of an impacted mandibular third molar with a high risk of experiencing nerve injury is less likely to cause damage to the inferior alveolar nerve than is complete extraction of the third molar.

Critical Summary Assessment

Evidence suggests that coronectomy is a good option for patients at risk of experiencing inferior alveolar nerve injury but is technique sensitive and not without complications.

Evidence Quality Rating

Good Evidence

This summary is published in the Journal of the American Dental Association and can be accessed at:

Critical Summary Publication Date:


These summaries are not intended to, and do not, express, imply, or summarize standards of care, but rather provide a concise reference for dentists to aid in understanding and applying evidence from the referenced systematic review in making clinically sound decisions as guided by their clinical judgment and by patient needs. American Dental Association © 2019