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  Indian J Med Microbiol
 

Figure 2: (a) Pinhole made beyond the mucogingival junction, (b) creation of tunnel from pinhole to the gingival sulcus, (c) placement of titanium-prepared platelet-rich fibrin through the pinhole

Figure 2: (a) Pinhole made beyond the mucogingival junction, (b) creation of tunnel from pinhole to the gingival sulcus, (c) placement of titanium-prepared platelet-rich fibrin through the pinhole