The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Halo effect surrounding the root of tooth on IOPA X-Ray is seen with?   (A) Horizontal root fracture   (B) Root caries   (C) Widening of periodontal ligament space   (D) Periapical-periostitis
['(D) Periapical-periostitis <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Horizontal root fracture \n (B) Root caries \n (C) Widening of periodontal ligament space \n (D) Periapical-periostitis <> possible answers', '  Halo effect surrounding the root of tooth on IOPA X-Ray is seen with? <> context@']