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': 'Direct filling gold formed by electrolytic precipitation is called by all the terms, EXCEPT: \nSelect and explain. \nA. Crystalline gold, B. Granular gold, C. Mat gold, D. Sponge gold', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Electrolytic Precipitate Gold\nAnother form of direct filling gold is microcrystalline gold powder formed by electrolytic precipitation, which is sandwiched between sheets of gold foil and formed into strips. It is also called mat or sponge gold.\nGranular (Powdered) Gold\nGold powders in agglomerated form can also be prepared by chemical precipitation or atomization from molten gold.\nDirect filling gold is supplied in three basic forms:\n\nFoil (also known as fibrous gold)\nElectrolytic precipitate (also\xa0called crystalline\xa0gold)\nGranular gold (also called powdered gold)\n\nPhillips 12 Ed, page no. 413', 'role': 'assistant'}]