The following are multiple choice questions (with answers) about medical knowledge.   **Question:** An apical radiolucent area present in central incisor after 4 months of RCT is due to:   (A) Inadequate obturation & leakage from main canal   (B) Leakage from accessory canal   (C) Leakage from gingival crevice   (D) Leakage from access opening
['(A) Inadequate obturation & leakage from main canal <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Inadequate obturation & leakage from main canal \n (B) Leakage from accessory canal \n (C) Leakage from gingival crevice \n (D) Leakage from access opening <> possible answers', '  An apical radiolucent area present in central incisor\nafter 4 months of RCT is due to: <> context@']