The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Pain and sensitivity in a tooth with onlay after 4 months is due to:   (A) Supra occlusion   (B) Gingivitis   (C) Infra occlusion   (D) None of the above
['(A) Supra occlusion <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Supra occlusion \n (B) Gingivitis \n (C) Infra occlusion \n (D) None of the above <> possible answers', '  Pain and sensitivity in a tooth with onlay after 4 months is due to: <> context@']