For mandibular overdentures, marginal bone loss may not be affected by implant design or attachment type Critical Summary Prepared by: Sarah Gray DDS, MS 

A Critical Summary of:

A systematic review of marginal bone loss around implants retaining or supporting overdentures

Cehreli MC, Karasoy D, Kokat AM, Akca K, Eckert S. International Journal of Oral & Maxillofacial Implants. 2010;25(2):266-77

Published Date: 3/1/2012

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


  • Systematic Review Conclusion:

    Marginal bone loss around implants supporting or retaining mandibular overdentures is not significantly affected by the implant system or attachment design.

  • Critical Summary Assessment:

    Results of a systematic review show no significant difference between implant systems or attachment designs with regard to marginal bone loss around mandibular overdentures. This allows practitioners to focus on other variables when planning treatment.

  • Evidence Quality Rating:


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