This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Facial Injuries and Abnormalities, Subject name: Surgery
[{'content': 'Fracture mandible with edentulous jaw is best treated with: \nSelect and explain. \nA. External fixator, B. Minerva-plaster, C. Interdental wiring, D. Intermaxillary elastic traction', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Fracture mandible with edentulous jaw is best treated with external fixator. FRACTURE OF THE MANDIBLE TREATMENT As in midface fractures, restoration of dental collusion forms the foundation for fracture management. Intermaxillary fixation before fracture exposure and plating is necessary. Condylar and subcondylar mandible fractures are most often treated by IMF alone. Medical management of mandibular fractures involves a puree-type diet, interdental fixation for several weeks, 1% chlorhexidine mouth rinses, and antibiotics.', 'role': 'assistant'}]