Coronectomy is an effective strategy for treating impacted third molars in close proximity to the inferior alveolar nerve Critical Summary Prepared by: Stacy Geisler DDS, PhD 

A Critical Summary of:

Coronectomy vs. Total Removal for Third Molar Extraction: A Systematic Review

Long, H., Zhou, Y., Liao, L., Pyakurel, U., Wang, Y., Lai, W.. Journal of Dental Research. 2012;91(7):659-65

Published Date: 10/2/2013

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


  • 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:


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