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Platelet-Rich Fibrin in Regeneration of Intrabony Defects: A Randomized Controlled Trial
Gauresh Kumar Patel1, Shivali S Gaekwad1, Sheela Kumar Gujjari1
1Department of Periodontology, Jagadguru Sri Shivarathreshwara (JSS) Dental College and Hospital, Mysore, Karnataka, India.
Background:
Platelet-rich fibrin (PRF) is an autologous non-transfusional hemo-component with a high concentration of platelets. It incorporates leukocytes, platelets, and growth factors within the dense fibrin matrix and can be used as healing biomaterial. This study assesses the adjunctive use of PRF in regenerative management of intrabony defects in comparison with open flap debridement (OFD).
Methods:
Twenty-six bilateral defects (13 per group) in 13 patients were randomized as either PRF (test group) or OFD alone (control group) sites. Probing depth (PD), clinical attachment level (CAL), and bone PD were recorded. Reduction in defect depth and percentage of bone fill was assessed radiographically. Primary outcomes assessed were changes in PD, CAL, and percentage of bone fill, and they were assessed at 6, 9, and 12 months. Secondary outcome was assessment of wound healing using a wound healing index (WHI).
Results:
The PRF group showed significant improvement in clinical parameters compared with the control group at 6, 9, and 12 months. The PRF group showed a bone fill of 45.18% ± 7.57%, which was statistically significant compared with 21.6% ± 9.3% seen in the control group at the end of the study period. The PRF group also showed significant soft tissue healing and reduction in PD. WHI also showed significant advantages for the PRF group.
Conclusion:
The adjunctive use of PRF to conventional OFD may be potentially used in the treatment of intrabony defects.