This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Mycobacterial Infections, Subject name: Dental
[{'content': '"Facies leprosa" is characterized by? \nSelect and explain. \nA. Madarosis, B. Resorption of anterior nasal spine, C. Collapse of nasal bridge, D. Loss of Lower incisor\'s', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Facies leprosa characterised by: * Resorption of anterior nasal spine * Loss of upper incisor * Involvement of supra incisive alveolar region * Anterior alveolar process of maxilla', 'role': 'assistant'}]