在美国国立牙科博物馆见到了教科书里的G.V.Black和他的牙科诊室。我脑海里跳出的第一个与他相关的词就是“II类洞”。“Greene Vardiman Black (1836–1915), is known as one of the founders of modern dentistry in the United States. He is also known as the father of operative dentistry.”
