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  Indian J Med Microbiol
 

Figure 1: (a) Preoperative IOPAR showing apical pathology in #11 (6 mm × 8 mm), #12 (6 mm × 3 mm) incomplete apex and thin dentinal wall. (b) Ca(OH)2 in canal. (c) Blood drawn from anterior cubital vein. (d) Centrifuge machine. (e) Centrifuge machine interior. (f) platelet rich fibrin-middle, red blood cell-bottom, plasma-top. (g) Platelet rich fibrin clot after squeezing. (h) Platelet rich fibrin clot being carried within pulp chamber (of other tooth). (i) Platelet rich fibrin pushed beyond cementoenamel junction. (j) Mineral trioxide aggregate under placement over platelet rich fibrin. (k) Signs of bony healing and RO mass deposition at the apex. (l) Further deposition of RO mass at apical end of root canal with lateral dentinal thickening (?) but coronal part is fractured

Figure 1: (a) Preoperative IOPAR showing apical pathology in #11 (6 mm × 8 mm), #12 (6 mm × 3 mm) incomplete apex and thin dentinal wall. (b) Ca(OH)<sub>2</sub> in canal. (c) Blood drawn from anterior cubital vein. (d) Centrifuge machine. (e) Centrifuge machine interior. (f) platelet rich fibrin-middle, red blood cell-bottom, plasma-top. (g) Platelet rich fibrin clot after squeezing. (h) Platelet rich fibrin clot being carried within pulp chamber (of other tooth). (i) Platelet rich fibrin pushed beyond cementoenamel junction. (j) Mineral trioxide aggregate under placement over platelet rich fibrin. (k) Signs of bony healing and RO mass deposition at the apex. (l) Further deposition of RO mass at apical end of root canal with lateral dentinal thickening (?) but coronal part is fractured