The following are multiple choice questions (with answers) about medical knowledge.   **Question:** Role of plasticizer in synthetic resins in dentistry is   (A) Increase smoothness   (B) To increase bulk   (C) To prevent polymerisation shrinkage   (D) To reduce softening and fusion temperature
['(D) To reduce softening and fusion temperature <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Increase smoothness \n (B) To increase bulk \n (C) To prevent polymerisation shrinkage \n (D) To reduce softening and fusion temperature <> possible answers', '  Role of plasticizer in synthetic resins in dentistry is <> context@']