The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Which of the following is advantage of sub-marginal flop?   (A) Cause less gingival shrinking   (B) Cause Less scars   (C) Less intra-operative bleeding   (D) None of the above
['(A) Cause less gingival shrinking <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Cause less gingival shrinking \n (B) Cause Less scars \n (C) Less intra-operative bleeding \n (D) None of the above <> possible answers', '  Which of the following is advantage of sub-marginal flop? <> context@']