The following are multiple choice questions (with answers) about medical knowledge.   **Question:** A 7-years girl with single tooth crossbite came to clinic what should be treatment plan:   (A) Wait till all permanent teeth erupt   (B) Removable appliance therapy   (C) Immediate intervention therapy   (D) Extraction of tooth
['(C) Immediate intervention therapy <> answer', 'The following are multiple choice questions (with answers) about medical knowledge. <> instruction', '(A) Wait till all permanent teeth erupt \n (B) Removable appliance therapy \n (C) Immediate intervention therapy \n (D) Extraction of tooth <> possible answers', '  A 7-years girl with single tooth crossbite came to clinic what should be treatment plan: <> context@']