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Related Experiment Video

Updated: Jul 13, 2026

An Improved Mechanical Testing Method to Assess Bone-implant Anchorage
11:51

An Improved Mechanical Testing Method to Assess Bone-implant Anchorage

Published on: February 10, 2014

Do longer implants improve clinical outcome in immediate loading?

M Degidi1, A Piattelli, G Iezzi

  • 1Dental School, University of Bologna, Via Spina 12, 40100 Bologna, Italy.

International Journal of Oral and Maxillofacial Surgery
|July 6, 2007
PubMed
Summary

Longer dental implants demonstrate higher success rates than standard 13mm implants when immediately loaded. While both implant lengths are reliable in poor bone quality, longer implants show statistically better survival outcomes.

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Area of Science:

  • Dental Implantology
  • Oral Surgery
  • Biomaterials Science

Background:

  • Standard dental implants are 13 mm in length.
  • Longer implants (>13 mm) are generally believed to have higher success rates.
  • Limited research exists on the clinical outcomes of immediate loading (IL) for longer implants.

Purpose of the Study:

  • To compare the clinical outcomes of immediately loaded long dental implants versus standard length implants.
  • To evaluate the effect of implant length on survival rates and marginal bone loss.
  • To assess the influence of bone quality on implant success.

Main Methods:

  • Retrospective study analyzing 244 standard (13 mm) and 536 longer (>13 mm) implants.
  • All implants were subjected to immediate loading (IL).

Related Experiment Videos

Last Updated: Jul 13, 2026

An Improved Mechanical Testing Method to Assess Bone-implant Anchorage
11:51

An Improved Mechanical Testing Method to Assess Bone-implant Anchorage

Published on: February 10, 2014

  • Mean follow-up period of 3 years; success assessed by implant survival and marginal bone loss.

    • Main Results:

    • Overall implant survival rate was 99.5% (4 out of 780 implants lost).
    • All lost implants were of standard 13 mm length, indicating a statistically significant difference compared to longer implants.
    • Poor bone quality was associated with increased marginal bone loss in both groups.

    Conclusions:

    • Immediately loaded longer dental implants exhibit a statistically superior survival rate compared to standard length implants.
    • Both standard and longer implants are reliable for use in poor bone quality, though some bone resorption may occur.
    • Longer implants (>13 mm) are recommended for immediate loading to achieve higher success rates.