Dental implant trial reports less bone loss with metformin gel and platelet-rich fibrin
A small randomized trial tested added materials during ridge widening, with incomplete information about the size and certainty of differences.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
The combination group had the lowest reported bone loss along the implant ridge. Implant stability increased in the combination and implant-only groups, while the increase with platelet-rich fibrin alone was not statistically significant. These results do not establish that the combination improved stability more than either alternative.
The abstract gives no numerical bone-loss differences or uncertainty estimates. It also does not report implant survival, so these measurements cannot establish whether the treatment helps implants last longer.
What researchers found
Crestal bone loss
In this 6-month study, the combination was compared with implant placement alone and platelet-rich fibrin without metformin; magnitude and statistical significance were not reported.
The surgical comparison
Researchers tested additions to the split crest procedure used to widen the ridge for implant placement. All groups received implants, allowing the study to compare the added materials within the same surgical setting.
Interpreting stability changes
A statistically significant change within a group is a different question from a difference between groups. The stability results therefore cannot rank the treatments simply by which groups reached statistical significance.
The original publication
Evaluation of Horizontal Ridge Augmentation Using 1% Metformin Gel and PRF in Split Crest Technique: A Randomized Controlled Clinical Trial.
El-Destawy MT, AboAmo AA, Abdel-Wahab MM et al.
J Contemp Dent Pract · 2025
- PubMed ID
- 41145362
- Record checked
AI-assisted research and writing. This explains one selected publication; it is not a complete review of everything known. Our approach.
One more question, understood.
Keep track of the research you’ve explored.