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Graphical representation of mean values at of PI, GI, at 9th month follow-up period in Group A-OFD, Group B-OFD + IMP, and Group C-OFD + IMP + PRFM. PI – Plaque index; GI – Gingival index; OFD – Open flap debridement; OFD + IMP – Open flap debridement + intra marrow penetration; OFD + IMP + PRFM – Open flap debridement + intramarrow penetration Platelet-rich fibrin matrix
