PRF improves osseointegration and healing

Mechanisms of action

PRF combines the mechanical function of a matrix with biological activity, making it relevant in clinical implantology.

Matrix function: The fibrin network serves as a scaffold for the migration of osteoprogenitor and fibroblastic cells, stabilizes the clot, and promotes the filling of the defect with a tissue matrix.

Biological activity: Local delivery of growth factors (PDGF, TGF-β, VEGF, etc.) stimulates osteoblast proliferation, angiogenesis, and tissue remodeling.

Data on the impact on osseointegration

Systematic reviews and clinical studies indicate a positive effect of PRF on osseointegration parameters when used around dental implants, including an increased bone-to-implant contact (BIC) ratio and enhanced early primary stability.

Key observations

PRF can enhance the initial stabilization of the implant when used to fill peri-implant defects and in combination with osteoconductive materials.

The effect largely depends on the quality of PRF preparation (centrifugation protocol), volume, and placement technique, which reduces the consistency of the available data.

Data on the impact on soft tissue healing

PRF promotes accelerated epithelialization and the formation of high-quality connective tissue in the peri-implant area by supporting cell migration, modulating inflammation, and stimulating neovascularization.

Clinical manifestations

Faster resolution of the inflammatory response and reduction of postoperative pain/swelling in a number of studies.

Improved quality of the soft tissues around the implants, which is significant for long-term biological width and aesthetics.

Practical significance for clinicians

PRF should be considered as an adjunctive tool in implant reconstruction, particularly for peri-implant defects and in situations requiring enhanced soft tissue healing.

Indications: filling peri-implant fenestrations, enriching xenogeneic/autogenous grafts, supporting soft tissue therapy.

Limitations: Variability in preparation protocols (different centrifugation regimens and carriers) complicates direct extrapolation of results; standardization of methods and carefully controlled randomized studies are needed.

Recommendations: Integrate PRF as part of a comprehensive strategy (appropriate surgical technique, implant selection, site preparation), document the PRF preparation protocol, and evaluate short-term and long-term clinical outcomes.