This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Surgery
[{'content': 'Alveoloplasty is performed following multiple extraction for \nSelect and explain. \nA. Proper wound closure, B. Undercut removal, C. Both, D. None', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Alveoloplasty is performed following multiple extractions for proper wound closure and for removal of undercut areas.\nAlveolectomy refers to surgical removal or trimming of alveolar process. The main aim of alveolectomy is to prepare a good bed for denture.', 'role': 'assistant'}]