Clinical procedure in Mandibular right first molar (#46).
A. Preoperative Periodontal parameter measurements with UNC 15 probe at baseline
B. Preoperative radiograph showing concurrent endo perio lesion with apical communication with gutta percha point in periodontal pocket
C. Open flap debridement
D. Postoperative radiograph at 3 months after OF
E. Postoperative periodontal parameter measurement at 6 months after OFD
F. Postoperative radiograph at 6 months after OFD