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Graphical representation of mean values at of PI, GI, at baseline 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 + intramarrow penetration; OFD + IMP + PRFM – open flap debridement + intra marrow penetration platelet-rich fibrin matrix
