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No clinically significant differences in crestal bone loss between immediate implant placement and implants placed in healed bone

Yong Hur, DDS, DMD, MS Yumi Ogata, DDS, DMD, MS .


Systematic Review Conclusion

Meta-analyses demonstrated statistically significantly less crestal bone loss with immediate implant placement compared with implant placement in healed bone. However, the small differences may not be clinically relevant.

Critical Summary Assessment

The authors of this systematic review included 16 studies and summarized the evidence concerning the effect of implant placement timing on crestal bone loss. They found statistically significant but not clinically significant differences between immediate implant placement (IIP) and delayed placement in healed bone.

Evidence Quality Rating

Limited 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