Limited evidence for evaluating differences in marginal bone loss between conventional, early and immediate loading protocols for mandibular two-implant overdentures Critical Summary Prepared by: Paul Hunter DMD, MLIS 

A Critical Summary of:

Marginal bone loss with mandibular two-implant overdentures using different loading protocols: a systematic literature review

Ma S, Payne AG, Payne AGT. International Journal of Prosthodontics. 2010;23(2):117-26

Published Date: 4/26/2011

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


  • Systematic Review Conclusion:

    In the absence of convincing evidence, a conventional loading protocol remains the standard treatment for a patient with a mandibular complete overdenture supported by two implants.

  • Critical Summary Assessment:

    This systematic review, mainly covering a one- to two-year observation period, did not find or rule out major differences between loading protocols.

  • Evidence Quality Rating:


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