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': 'Application of the Lost-wax technique for the fabrication of cast inlay was first reported by: \nSelect and explain. \nA. Taggart, B. Planteau, C. Ash, D. Charles', 'role': 'user'}, {'content': 'Answer: A \nExplanation: In his 1907 US Patent #865823, Taggart described a method of making gold inlays using the lost wax technique. It led casting of onlays, crowns, multiple-unit fixed dental prostheses (FDPs), and frameworks for removable partial dentures.\nPlanteau, a French dentist, first introduced porcelain teeth in the United States in 1817.\xa0\nAsh further developed an improved porcelain tooth in England around 1837.\nIn 1822 Charles Peale,\xa0an\xa0artist,\xa0fired\xa0mineral\xa0teeth\xa0in\xa0Philadelphia.\n\nRef: Phillips Ed 12th P:8', 'role': 'assistant'}]