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. 2011 Oct-Dec;15(4):410–413. doi: 10.4103/0972-124X.92582

Figure 3.

Figure 3

After flap reflection and debridement a class II b defect was evident with 31. Class II a defect was present with 32 and 42 regions. Apicoectomies done with 31, 32, and 42 regions