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A recent network meta-analysis, registered in the PROSPERO database (CRD42023495027), provides valuable insights into the comparative clinical outcomes of short implants (4–8 mm) and long implants (≥8 mm) with sinus floor elevation (SFE) in the posterior maxilla. The study also examines the impact of immediate versus delayed placement of long implants.

Conducted in adherence to PRISMA-NMA guidelines, the analysis reviewed data from 17 studies published between January 2014 and November 2024, encompassing 1,076 patients and 1,751 implants. The primary focus was on implant failure rates, marginal bone loss, and biological and mechanical complications.

The findings indicate that long implants demonstrated slightly lower failure rates compared to short implants, although this difference was not statistically significant. Short implants, however, resulted in significantly reduced marginal bone loss compared to long implants, regardless of whether the long implants were placed immediately or delayed following SFE.

The study also suggested that short implants were associated with fewer biological and mechanical complications, with short implants combined with SFE proving particularly effective in minimizing mechanical complications.

Delayed placement of long implants with SFE exhibited the highest efficacy in reducing implant failure, with a success probability of 73.9%. Conversely, short implants excelled in reducing marginal bone loss and biological complications, achieving success probabilities of 88.7% and 88.2%, respectively.

This study highlights the potential of short implants as a viable alternative in cases with limited vertical bone height in the posterior maxilla, offering comparable clinical outcomes to long implants with SFE. While delayed placement of long implants remains a reliable approach for reducing failure rates, the results underscore the importance of tailoring treatment strategies to individual patient conditions. The limitations of the meta-analysis and the included studies emphasize the need for further research to validate these findings.

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Source: British Dental Journal

 

 

Author

  • Dr.Zainab Rangwala completed her graduation from the Goverment Dental College,Jamnagar.. Practicing since 6 years, she has a keen interest in new advances in the field of health.She is currently the head of Media and PR in Dentalreach.

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Dr.Zainab Rangwala completed her graduation from the Goverment Dental College,Jamnagar.. Practicing since 6 years, she has a keen interest in new advances in the field of health.She is currently the head of Media and PR in Dentalreach.

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