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Graphical representation of intergroup comparison of PPD from baseline to 9th month follow-up period in group A-OFD, Group B-OFD + IMP and Group C-OFD + IMP + PRFM. PPD – Probing pocket depth; OFD – Open flap debridement; OFD + IMP – Open flap debridement + intra marrow penetration; OFD + IMP + PRFM – Open flap debridement + intramarrow penetration Platelet-rich fibrin matrix
