The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Gingival Recession is most common due to   (A) Tooth brush trauma   (B) TFO   (C) Deflective contacts   (D) ANUG
['(A) Tooth brush trauma <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Tooth brush trauma \n (B) TFO \n (C) Deflective contacts \n (D) ANUG <> possible answers', '  Gingival Recession is most common due to <> context@']