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: Dental
[{'content': 'Which procedure is being performed in the colour plate? \nSelect and explain. \nA. Polishing, B. Finishing, C. Proximal stripping, D. Crown preparation', 'role': 'user'}, {'content': "Answer: C \nExplanation: Proximal stripping is the method, by which proximal surfaces of teeth are sliced, in order to reduce the\xa0mesiodistal width of the teeth. It is also known by the synonyms - reproximation, slenderization, disking\xa0and proximal slicing.\nIn Carey's analysis, if the diﬀerence between the arch length and the tooth material is between 0-2.5\xa0mm, it indicates minimum tooth material excess and proximal stripping can be considered to reduce\xa0the tooth material.\nTextbook of ORTHODONTICS Sridhar Premkumar", 'role': 'assistant'}]