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Osteotome-mediated sinus floor elevation: a systematic review and meta-analysis
Summary
Sinus floor elevation using osteotomes is successful even with less than 4 mm of residual bone height (RBH). However, initial RBH below 4 mm significantly impacts implant success rates in these procedures.
Area of Science:
- Dentistry
- Oral Surgery
- Implantology
Background:
- Sinus floor elevation is a common procedure to augment bone for dental implants.
- Osteotomes are frequently used for sinus floor elevation.
- Predicting implant success based on initial bone height is crucial.
Purpose of the Study:
- To systematically review sinus floor elevation using osteotomes.
- To analyze implant placement timing, characteristics, grafting materials, and complications.
- To determine the influence of initial residual bone height (RBH) on implant success via meta-analysis.
Main Methods:
- Systematic literature search on MEDLINE and manual search.
- Inclusion criteria applied to 25 studies (3,092 implants).
- Meta-analysis of 8 studies to assess RBH impact on implant success.
Main Results:
- Overall implant failure rate was 3.85%.
- Initial RBH > 4 mm did not significantly affect implant success.
- Initial RBH < 4 mm showed a significant difference in success/failure rates.
Conclusions:
- Initial residual bone height less than 4 mm influences implant success rates.
- Osteotome sinus floor elevation can be successful with limited initial bone height.
- Careful patient selection and technique are vital when initial RBH is < 4 mm.
