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': 'The more appropriate term for annealing of direct filling of gold is \nSelect and explain. \nA. Bridging, B. Cold welding, C. Stepping, D. Desorbing', 'role': 'user'}, {'content': 'Answer: D \nExplanation: PREPARATION OF DIRECT FILLING GOLD\xa0\xa0\nFOR RESTORATION:\nPrior to placing direct filling gold in the cavity preparation, the dentist heats the material to remove the protective coating or wax introduced by the manufacturer, or contaminants on the surface acquired during storage and packaging. Individual pellets can be held over an open flame of pure alcohol, or a\xa0group of pellets or other gold forms can be placed on a so-called annealing plate heated by electricity.\xa0This step\xa0is commonly called annealing, heat treatment, or degassing. A more appropriate term would be desorption.\nPhillips 12 ed page no 414', 'role': 'assistant'}]